The Side Effects of Vaccines - How High is the Risk?

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  • Published: 12 May 2019
  • Sources: sites.google.com/view/sources-vaccines

    Vaccines are one of our best tools to prevent dangerous diseases, but they come with side effects. So would it be safer not to vaccinate?

    This video has been supported by a grant from the Bill & Melinda Gates Foundation.

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Comments • 65 506

  • Kurzgesagt – In a Nutshell

    Dive into sources and further reading here: https://sites.google.com/view/sources-vaccines


    Vaccines and their side effects are a hard topic to cover – we know we keep saying this, but this case especially, there were a lot of things to consider. You can’t blame people for being worried, so we wanted to take their concerns seriously.


    Because it is impossible to cover everything there is to know about vaccines in a ten minute video our sources are extra extensive and explain a lot of aspects in more detail, with an extra focus on further reading.


    So if you want to dive in deeper or have more arguments at hand for your next heated discussion, here you go.

    • frick ajit pai
      frick ajit pai  14 hours back

      Kurzgesagt – In a Nutshell epic

    • joel marin
      joel marin  15 hours back

      thank you for making this video, its been a great help for my social justice project. I hope to use this as a source to help write my letter to a politician, (who is undecided as of writing this), I really hope to make a change and to make vaccinations more mandatory in the united states!

    • Jarley
      Jarley  1 weeks back

      Kurzgesagt – In a Nutshell you forgot one thing that vaccines cause:




      adult hood
      I don’t want that happening to my children

    • GodmanBG
      GodmanBG  1 weeks back

      It would be nice if you had touched upon, or at least mentioned that we vaccinate against a multitude of other diseases besides measles.

  • クラリス
    クラリス  24 minutes back

    G T A

    • Gregor Coetzee
      Gregor Coetzee  34 minutes back

      The War of Cells: Comming this Summer

      • Aqua 458
        Aqua 458  56 minutes back

        Where my anti-vaxxers at!?





        Oh wait there in the grave

        • Finix
          Finix  1 hours back

          Vaccines are medicines, and as all medicines, there is a need to consider children by case. In Italy they do not do that. We have more than 10 mandatory vaccines, and some of them are done together (3 vaccines at the same time), and this is dangerous. Who does say so? The books of medicine! They say something but they do the opposite.

          • Vary Olla
            Vary Olla  53 minutes back

            No = it's not.  From the very moment an infant is born = it is exposed to a myriad of microorganisms.  You have right now a host of bacteria, viruses, and fungi living inside you and which wage a continual war against yourself and each other. 

            So not all vaccines are the same as some contain entire weakened pathogens - while others only contain pieces of a pathogen or else the toxin it produces.  A piece of something - let along a toxin - can not replicate and thus it is impossible to infect the individual with the condition.  Meanwhile the employment of attenuated pathogens is tolerated by almost everyone.  We can sometimes see - albeit very rarely - a few who owing to some idiopathic issue with their immune system they have trouble destroying the weakened virus. 

            So a person who can not even tolerate exposure to a weakened virus = will in all likelihood react similarly - or worse - upon exposure to the full-strength "wild" version of the same.  If you want to critique vaccine employment you'd better look at the entire picture and get your facts straight first.  Have a nice day.

        • Gannicus
          Gannicus  1 hours back

          people are concerned that if vaccines were mandated by the government, that opens the precedent that your personal health care is no longer private, meaning that opens pandora's box for forced abortions, or something more realistic like micro-chipping citizens. The liability of the government for a bad batch of vaccines, or the fact the government could maliciously alter a vaccine after they are mandated is a privacy and health concern. Vaccines are good, but they shouldn't be mandated.

          • Bill Kerman
            Bill Kerman  1 hours back

            I got sick after my flu vaccine

            • Válter Venâncio
              Válter Venâncio  2 hours back

              Now we need a video on Cholesterol, please!!

              • Delkarix
                Delkarix  2 hours back

                Anti-vaccination is a problem that will literally solve itself.

                • HeyItsHarlys
                  HeyItsHarlys  2 hours back

                  I am an anti-vaxx mother of 2 and my kids will still never get vaccines

                  • HeyItsHarlys
                    HeyItsHarlys  2 hours back

                    +NOB ODY_ i forgot i can't make jokes on yt comments rip

                    But that sounds about right

                  • NOB ODY_
                    NOB ODY_  2 hours back

                    It's gonna be one kid soon.

                • Martial Kintu
                  Martial Kintu  4 hours back

                  Tell them about the aluminium, the mercury and etc.

                  • Martial Kintu
                    Martial Kintu  2 hours back

                    +eeeaten The mercury in the fish is all due to environmental destruction. Didn't really know about aluminium in orange juice but now thank know I should just stop buying it.

                  • eeeaten
                    eeeaten  3 hours back

                    Martial Kintu sure, tell us about the aluminium in orange juice and the mercury in fish.

                • deity_games
                  deity_games  4 hours back

                  Just got my abi-thema, I have to discuss wether a mandatory vaccination is righteous or not. But more in a philosophical way, because its a philosophy presentation^^

                  • Ravi Jyot
                    Ravi Jyot  5 hours back

                    I have never been vaccinated is it to let for me or is everything normal.

                    • eeeaten
                      eeeaten  3 hours back

                      Ravi Jyot have you had measles?

                  • Arpit Solanki
                    Arpit Solanki  5 hours back

                    mom : I am not going to vaccinate my child you heathens.
                    measles and other diseases : It’s free real estate .

                    • Altay Badirov
                      Altay Badirov  6 hours back

                      What about the other vaccines? Not all the vaccines are the same.

                      • NOB ODY_
                        NOB ODY_  2 hours back

                        All of them.

                      • eeeaten
                        eeeaten  3 hours back

                        Altay Badirov they all cause way less harm than the diseases they prevent.

                    • Yonakuni
                      Yonakuni  7 hours back

                      lol Funny thing about these Anti-vaxxers is that they mostly DON'T exist in the eastern hemisphere. This issue is sooo unique to the western hemisphere.

                      We Asians don't question vaccines because to us, they keep our kids alive longer than those who didn't get the shots; more than enough to convince us. We'd rather save a million babies than let a million die.

                      Point being: this is a stupid argument from the west; to the point where we don't even talk about it here on the east because it is a given. We get our kids vaccinated, they live longer. End of discussion.

                      • Yonakuni
                        Yonakuni  5 hours back

                        +Fresh Pixelated Memes IKR? Think of all those kids at risk just because someone did research that vaccines cause AuTiSm so DON'T vaccinate your children.

                        Damn, if they are so smart (and if it does cause AuTiSm), why not just make a better vaccine than TELL DA WHOLE WORLD NOT TO VACCINATE THEIR CHILD.

                        lol sometimes, the simplest of questions cannot be answered by any genius.

                      • Fresh Pixelated Memes
                        Fresh Pixelated Memes  5 hours back

                        What really pisses me off is how there are people in developed nations that have access to this kind of medical technology and they're just dismissing it because of mere superstition.

                        I guess the saying "One man's trash is another man's treasure" really is applicable here.

                    • Crusader Carl
                      Crusader Carl  7 hours back

                      Anti vax 10 year challenge
                      *404 image not found*

                      • Stunder0319
                        Stunder0319  7 hours back

                        6:30 just a question,did it just inject that...into a...
                        ...
                        Butt?

                        • Depressed items for sale

                          There's this one awful side effect of vaccination that kills you in about 70-80 years.

                          • Jasper Beekman
                            Jasper Beekman  8 hours back

                            That moment u realize this is basicly a real form of homeopathy

                            • dhuyd
                              dhuyd  9 hours back

                              The real disease is corporate interests & transparency. The Vaccine industry can be weaponized like a youtube algorithm. Who is the real demographic with your smartphones? The ad agencies. What's the product? Your data. Who is the fuel? The public. Now while different industries leverage different market pressure points, it's healthy to play devil's advocate.. or rather the relationship between content & context is key

                              • xxhalogamer22xx
                                xxhalogamer22xx  10 hours back

                                This is Anti-Vaxxer logic:
                                I don't feed my children because eating can cause choking. Sure there are some good results of eating such as that so called "prevents starvation" nonsense. There are starving people everywhere in the world and they've survived. I have choked on food before and did some research and guess what? Thousands of people choked on food each year. What I'm saying is that the government has no right to tell me what to do with MY children. Food is deadly and I will stand by my reasonings!

                                • Fresh Pixelated Memes
                                  Fresh Pixelated Memes  10 hours back

                                  Too much water will cause you to drown so that's 100% dangerous, right?

                              • Jaye Potato
                                Jaye Potato  10 hours back

                                Hey anti-vaxxers, discuss the dangers of vaccines here!

                                • Jaye Potato
                                  Jaye Potato  10 hours back

                                  Just kidding, you trash people. Vaccines DO NOT cause autism. In fact, autism isn't bad. I have autism, and I know that nothing is wrong with it.

                                  2, You barely even SAW proof of vaccines being bad, so shut up and check someplace else on the web, where there's proof of pro-vaxxers (people like me) being true.

                                  And finally, 3. You don't know how vaccines can do bad things to you.
                                  Nobody wants to believe you, anti-vaxxers, but you say false truths and you try your best to get people to join you. YOU'RE NOT A GOOD PERSON. (And fellow Pro-vaxxers, if you're reading this, sorry for the aggressiveness.) Leave a like to save humanity from vaccines like measles. Thank you for reading this, and GET YOUR OPINIONS RIGHT.😬

                              • The Boat
                                The Boat  10 hours back

                                guess who just got owned while searching the internet for a cause of autisim?

                                *karen, but its obvious by now*

                                • ChicoCuantico
                                  ChicoCuantico  10 hours back

                                  Nadie ha muerto nunca como consecuencia de un medicamento.

                                  Fin del debate.

                                  • ErikLew
                                    ErikLew  11 hours back

                                    Inti vax moms be like...

                                    • demonitized
                                      demonitized  11 hours back

                                      Anti vaxxer: vaxines cause autism

                                      Anti vax child: if only I would have lived long enough to find out

                                      • Zoltán Halassy
                                        Zoltán Halassy  11 hours back

                                        1:18 "Contrary to popular wisdom, what doesn't kill you doesn't make you stronger."
                                        1:28 "our immune system came up with an ingenious way to get stronger and stronger over time."
                                        1:38 "our immune system automatically creates memory cells."
                                        1:59 "many infections you beat once will never make you sick again."


                                        The "what doesn't kill you makes you stronger" means exactly that. 1. experience, 2. remember, 3. act accordingly next time.

                                        • Darkira Knight
                                          Darkira Knight  8 hours back

                                          +Zoltán Halassy Yup, being able to survive doesn't mean you're stronger now, but you still have chance to be stronger, because you're not dead.

                                        • Zoltán Halassy
                                          Zoltán Halassy  8 hours back

                                          +Darkira Knight Sure, this "strength" what the popular wisdom is about is not a single-dimensional property (for example what you've just said, having immunity of a type doesn't mean we have protection in the other), and these wisdoms shouldn't be taken literally (and with a grain of salt). And I think being able to adapt is a kind of strength though, and these memory cells give that strength (in one dimension). The wisdom doesn't say the strength comes immediately (there is a "tired and damaged" phase), but if we survive that phase, then we got stronger: the same infection will not cause that "tired and damaged" phase anymore.

                                        • Darkira Knight
                                          Darkira Knight  9 hours back

                                          We adapt and being stronger is different.... Yup you're immune to the virus, but doesn't mean a less dangerous virus can't make you sick. Well cause you take the contexts, in the video. It explaining that when we sick and recover our immune system is "tired and damage". So to overcome it we have a memory cells.

                                      • Fernando Carballo
                                        Fernando Carballo  11 hours back

                                        Let natural selection take its place and kill those who disliked🤗

                                        • you know i had to do it to em

                                          lmao the only ppl with autism is the antivaxxers

                                          • Lupi Fedora
                                            Lupi Fedora  11 hours back

                                            I'm so glad someone finally set things straight, EAT THAT KAREN!

                                            • Banana aiming for 10,000 subs

                                              Anti-vaxx children: I wanna be a doctor when I grow up
                                              Measles: LMAO ROTFL

                                              • Karthik Venkata
                                                Karthik Venkata  12 hours back

                                                Understood

                                                • Nick Brandon
                                                  Nick Brandon  12 hours back

                                                  KURZGESAGT SAID FACTS DONT CARE ABOUT YOUR FEELINGS

                                                  KURZGESAGT SAID FACTS DONT CARE ABOUT YOUR FEELINGS


                                                  B A S E D

                                                  • Fidel Castro
                                                    Fidel Castro  12 hours back

                                                    Baited Anti vaxxers into knowledge

                                                    • Ryan Hoover
                                                      Ryan Hoover  12 hours back

                                                      that moment when you check the comments
                                                      for anti-vax moms and there is no one


                                                      me: I know those fuckers are up to something

                                                      • TB Insanity
                                                        TB Insanity  12 hours back

                                                        Well vaccines have the element mercury in them so it like drinking liquid lead 😮

                                                        • Is that a custom avatar 1
                                                          Is that a custom avatar 1  3 hours back

                                                          TB Insanity drinking water is like drinking hydrogen and oxygen which is explosive so we’re technically organic bombs



                                                          Dumbass

                                                        • C1ubp3ngu1n G0d69
                                                          C1ubp3ngu1n G0d69  7 hours back

                                                          TB Insanity can I borrow your time machine?

                                                        • eeeaten
                                                          eeeaten  10 hours back

                                                          TB Insanity apples have arsenic in them so it like drinking liquid cyanide XD

                                                        • Tautologist
                                                          Tautologist  10 hours back

                                                          They don't have elemental mercury in them and they never did. They used to have an organomercury compound called thimerosal in them, but it has been taken out even though there was no real evidence it was harmful at all. Btw, hilarious comparison with the "liquid lead" thing. Liquid lead exists at temperatures greater than 621 degrees F lol. That's a lot spicier than mercury.

                                                        • Sophie Waterman Hines
                                                          Sophie Waterman Hines  11 hours back

                                                          TB Insanity How much mercury do they have in them? How much does the average human ingest in a day? They’ve virtually stopped using mercury in vaccines too, but even if they still did, it wouldn’t be enough to do anything.

                                                      • Dragon razor
                                                        Dragon razor  13 hours back

                                                        ._. as long as a virus doesn't evolve to a new level(like bird flu) were good

                                                        • Backpack Boi
                                                          Backpack Boi  13 hours back

                                                          I'm happy to say, *Kids dying because of stupid parents* is a great way for anti-vaxxers to realize vaccine is good. Plus less kids. May I remind you this Is the generation of fortnite?

                                                        • shane10150
                                                          shane10150  13 hours back

                                                          Vacicines cause aliveness

                                                          • Kougz
                                                            Kougz  13 hours back

                                                            Ok but now I want a video game that is a human body immune system simulator with chibbi cells and level of threats of the diseases and you start with a baby with randomly generated allergic reactions and you have to make its immune system grow stronger as they age. FUND IT !!

                                                            • xbox _clan123
                                                              xbox _clan123  14 hours back

                                                              No

                                                              • peace meal
                                                                peace meal  14 hours back

                                                                What a wonderful video! Thanks so much

                                                                • A Random Mango
                                                                  A Random Mango  15 hours back

                                                                  Im One Of The People That DONT Believe That. 7:36

                                                                  • C1ubp3ngu1n G0d69
                                                                    C1ubp3ngu1n G0d69  7 hours back

                                                                    A Random Mango autism is a mental problem; people who have It after vacation had it before.

                                                                  • Scott Buchan
                                                                    Scott Buchan  9 hours back

                                                                    Or you know, its a joke

                                                                  • Scott Buchan
                                                                    Scott Buchan  9 hours back

                                                                    It’s just a mango guys, of course it’s misinformed

                                                                  • Tautologist
                                                                    Tautologist  10 hours back

                                                                    Apparently you're also one of those people that *Capitalizes Every Word In Their Sentence.* Don't know which is worse tbh.

                                                                  • Finnegan Lear
                                                                    Finnegan Lear  12 hours back

                                                                    Where you dropped as a child?

                                                                • Muhammad Israr Ul Haq
                                                                  Muhammad Israr Ul Haq  15 hours back

                                                                  Best Best Channel Ever

                                                                  • Declyn Getzinger
                                                                    Declyn Getzinger  15 hours back

                                                                    Me fine after vax friend after vax nearly pass out

                                                                  • AlDaid Playz
                                                                    AlDaid Playz  15 hours back

                                                                    Oh my god you kids these days should be happy we give you no vaccines...

                                                                    • AlDaid Playz
                                                                      AlDaid Playz  3 hours back

                                                                      Ehm for those who are blind look at my profile pocture and then question your iq.

                                                                    • Is that a custom avatar 1
                                                                      Is that a custom avatar 1  3 hours back

                                                                      I hope this is a joke





                                                                      If not then your iq is -5

                                                                    • H. T
                                                                      H. T  4 hours back

                                                                      Yeah life is shit. Lucky kids with antivaxxer parents. lol.

                                                                    • Zarin SCP
                                                                      Zarin SCP  13 hours back

                                                                      is this a joke? we

                                                                    • it's ok
                                                                      it's ok  15 hours back

                                                                      What?

                                                                  • bigmonkey125
                                                                    bigmonkey125  18 hours back

                                                                    it seems the worst side affects of vaccines are actually symptoms the disease would cause worse forms of had the child not been vaccinated. Also, autism is not the worst thing that can happen. The quality of life of an autistic person is great (I actually have it). Actually, it seems some diseases have gotten stronger because people have not been vaccinating so they are more lethal because they had more "leash".