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

  • Published: 12 May 2019
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    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?

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Comments • 75 938

  • Kurzgesagt – In a Nutshell

    Dive into sources and further reading here:

    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.

    • Jordan Sutche
      Jordan Sutche  2 days back

      The fact you brought up Wakefield's "research" just proved you didn't actually look into it at all. That's a fact.

    • Haziq Aiman
      Haziq Aiman  2 days back

      Ok gus

    • A random Weeb
      A random Weeb  1 weeks back

      500 comments boiiiiiiiiiiiiiiiiii.

    • strange times
      strange times  3 weeks back

      HAHAHA, Google's largest shareholders are PHARMA companies and your ONLY source of data is Google? HAHAHAHAHAHAHAHAHAHA!!!!

  • Xx RangoNLevi06 xX
    Xx RangoNLevi06 xX  33 minutes back

    Wait, if u beat cancer does that mean u can’t get it again?

    • Roy the big gey is not go no more gey

      Births cause autism

      • Lea Tompkins
        Lea Tompkins  2 hours back

        To many antivaxxers dont realize how bad these diseases are. I've herd stories from my grandmother about kids with polio when she was young, and how scary it was you could be next in the hospital with an iron lung.

        • Trần Thị Minh Châu Đàm

          Me, a coffin seller: *Sees an anti-vaxxer*

          Me: *STONKS* 📈

          • Nate Da Grate
            Nate Da Grate  4 hours back

            I sorta am half in half out. I've been vaccinated but at the same time I havent been vaccinated in everything. Now please don't kill me, but I do believe that some vaccines are lethal and unnecessary. But vaccines that are necessary obviously are needed. So yea if u wanna get vaccinated just think if it's unnecessary or not

            • Danimeme
              Danimeme  5 hours back

              Kurzgesagt puts its foot don at the end

              • Aji Pangestu
                Aji Pangestu  5 hours back

                Come on leave the antivaxxers alone, they are very valuable to develop new deadly disease so we can reduce our number

                • 6969 subscribers with 0 videos challenge

                  harmful bacteria: **enters the second time**
                  also harmful bacteria: "why do i hear boss music?"

                  • 6969 subscribers with 0 videos challenge

                    8k dislikes are from anti vaxxers

                    • Playeryboi
                      Playeryboi  7 hours back

                      If you get sick over the weak cousin of measles then you’d probably die with the real measles parasite

                      • Rubicon AU
                        Rubicon AU  8 hours back

                        Honestly if I had money I would be buying so much merchandise and using Patreon.

                        • Rubicon AU
                          Rubicon AU  8 hours back

                          At 7:38 all 8k Anti-vaccinators disliked. They got proven wrong by probably the *BEST* Channel of its type (my opinion).

                          • Ethan Stankowski
                            Ethan Stankowski  8 hours back

                            Did anti-vaxers (in America)
                            Fail history class

                          • Irwan Nirwana
                            Irwan Nirwana  9 hours back

                            Did u from u.s.a?

                            • as
                              as  9 hours back

                              Fake video. Vaccines cause more deaths than measles worldwide

                              • Chris Heil
                                Chris Heil  1 hours back

                                Show me them sources like this video did bud....

                              • Danimeme
                                Danimeme  5 hours back

                                Oh silly but vaccines prevent measles deaths

                              • MLGBANANABUS
                                MLGBANANABUS  5 hours back

                                Who do you think

                              • Playeryboi
                                Playeryboi  5 hours back

                                MLGBANANABUS me or as

                              • MLGBANANABUS
                                MLGBANANABUS  6 hours back

                                You are littering this beautiful world by living

                            • Remer Mequiota
                              Remer Mequiota  10 hours back

                              dat end music tho

                              • Remer Mequiota
                                Remer Mequiota  10 hours back

                                dont forget about dengue vaccines here in the phillipines

                                • ryahmib
                                  ryahmib  10 hours back

                                  4:55 why your scenario take place in the MCU ?

                                • ZapaX
                                  ZapaX  11 hours back

                                  This video is dedicated to Karen, an anti-vax mom.

                                  • Roblox Cringe
                                    Roblox Cringe  11 hours back


                                    • crackerjack fox
                                      crackerjack fox  12 hours back

                                      think of this vaccines are like care packages for you immune system get care pacgaegs and you bady will win e was a vaccinate you and your kids

                                      • Illogikalli _
                                        Illogikalli _  13 hours back

                                        Anti vaccine people are retards

                                        • Ryoss
                                          Ryoss  15 hours back

                                          8.1k people are antivaxxers named Karen

                                          • aidan saikia
                                            aidan saikia  16 hours back

                                            saying vaccines are dangerous are like saying seatbelts cause car crashes

                                            • Some Guy
                                              Some Guy  2 hours back

                                              @incativated for the love of... if you want to prove your point then show us hard proof that vaccines are bad. Something to discredit the literal hundreds of researches made by professionals

                                            • Playeryboi
                                              Playeryboi  6 hours back

                                              incativated vaccines are proven to work. In the EU there is currently a measles outbreak and it’s only getting worse because you anti-vaccine fuck heads don’t do any research whatsoever and only argue with feelings. Unless you can send me a link to an article that proves vaccines don’t work and do more harm, than good I won’t change my mind.

                                            • The Shinto Railfan
                                              The Shinto Railfan  10 hours back

                                              No, @incativated, I had a fever of 103 Fahrenheit. Anything higher could've been lethal.

                                            • incativated
                                              incativated  10 hours back

                                              @The Shinto Railfan I've had many times in my life where i felt like dying.

                                          • velorien996
                                            velorien996  16 hours back

                                            BuT WhAt aBouT auTiSM?
                                            There is nothing wrong with autism Karen it normally doesn't make someone unable to function properly unlike you

                                            • Superior Mind Studios
                                              Superior Mind Studios  17 hours back

                                              Goddamn anti vaxxers🙄
                                              In my country if u don't vaccinate you will definetly die
                                              This I guarantee

                                              • aidan saikia
                                                aidan saikia  17 hours back

                                                *T H I S P L E A S E S K A R EN T H E A N T I V A X E R*

                                                • Sans Zockt
                                                  Sans Zockt  18 hours back

                                                  Germs when the Body is Vaccinated:
                                                  We've been fooled, We've been tricked and quite possibly Bamboozled.

                                                  Germs when the Body is not Vaccinated:
                                                  OMAE WA MOU SHINDERU

                                                  • Mazda 787B
                                                    Mazda 787B  18 hours back

                                                    Memory cells must have Vietnam flashbacks on the daily

                                                    • Miles Gutierrez
                                                      Miles Gutierrez  19 hours back

                                                      Seatbelts are like the shock suits that storm troopers wear. In an accident where you absolutely would have died, the seatbelt could definitely save you, but in a smaller scale minor accident, it's more likely that the seatbelt is going to kill you or injure you than the car.

                                                      • Gingerbrave
                                                        Gingerbrave  20 hours back

                                                        Vaccinate your kids or I'll shoot measles at you.
                                                        AND IT WON'T BE WEAKENED VACCINE VARIETY EITHER

                                                        • Guinness
                                                          Guinness  21 hours back

                                                          Russian intelligence have spread a lot of anti-vaxx bull online to stoke division. That along with political fake stories, they try to disrupt our societies. Apparently over the bodies of dead children

                                                          • Haziq Aiman
                                                            Haziq Aiman  21 hours back


                                                            • Krishna Karma
                                                              Krishna Karma  22 hours back

                                                              Antivaxxers : Why to trust doctors and everyone else when we can trust a blogger oh kurzgesagt video that support us "clicks on the video" Why to trust youtube when we can trust the old blogger (ps: Personaly I can't imagine what makes people think like this even a illiterate one in my area understands that vaccine are soo important for their child as well as adults stupids antivaxxers lol)

                                                              • Dl3 Yeah
                                                                Dl3 Yeah  23 hours back

                                                                Is it safe to say that anti-vax people are murderers?

                                                                • Exxelenen Setijadi
                                                                  Exxelenen Setijadi  24 hours back

                                                                  *agrees in bacteriophage *

                                                                  • MYTHICAL ENTIRES
                                                                    MYTHICAL ENTIRES  1 days back

                                                                    Anti-vaxx parents will agreed about this

                                                                    • Mitch_ Camo
                                                                      Mitch_ Camo  1 days back

                                                                      Saying vaccines causes autism is like saying seatbelts cause car crashes :/

                                                                      • e l
                                                                        e l  1 days back

                                                                        Autism does comes from these! Your facts are far off! When it comes to autism in tons of cases can be directly linked to specific shots required in the states! Video proof of children being outgoing normal children to non moving huge signs of autism directly after shots. It’s 2019 we all have tons of videos of our child now! All hit very high temperatures after vaccine then completely different child within 24 hours. Fact is you know nothing of what the government does outside of your books!!

                                                                        • orange juice
                                                                          orange juice  8 hours back

                                                                          guys he/she isn't responding because they died of polio

                                                                        • anti bully
                                                                          anti bully  13 hours back

                                                                          there is almost enough research to make a planet that says that vaccines do not cause autism.

                                                                        • Nuclear Phantom
                                                                          Nuclear Phantom  14 hours back

                                                                          My friend has autism but has a 98 total average in 8th grade. Autism doesn’t make people stupid, they just aren’t the best with social interactions. And it also comes from genetics, not flu shots.

                                                                        • SXLID
                                                                          SXLID  17 hours back

                                                                          Hi *karen*

                                                                        • MrIndecisive
                                                                          MrIndecisive  19 hours back


                                                                      • cyclopsdias
                                                                        cyclopsdias  1 days back

                                                                        10:06 I feel so bad for the poor mommy bird that sees its young dead :(

                                                                      • Firebossman77 Youtube
                                                                        Firebossman77 Youtube  1 days back

                                                                        Man I hate anti vaxers

                                                                        • EpicDingus
                                                                          EpicDingus  1 days back

                                                                          Wait isn't autism linked to genetics? Idk tho I'm 15

                                                                          • The Shinto Railfan
                                                                            The Shinto Railfan  13 hours back

                                                                            Somewhat. I think the main cause is older parents.

                                                                          • Rip
                                                                            Rip  19 hours back

                                                                            @TmtoSouper That means you want to get the worst disease in the entire world...

                                                                          • TmtoSouper
                                                                            TmtoSouper  1 days back

                                                                            ye it is

                                                                        • Quiet Girl
                                                                          Quiet Girl  1 days back

                                                                          9:36 Conclusion: VACCINATE YOUR DAMN KIDS

                                                                          • Imran Qubbaj
                                                                            Imran Qubbaj  1 days back

                                                                            So basically we have a constant war in our bodies.......not scary at all....

                                                                            • Angela Lakes
                                                                              Angela Lakes  1 days back

                                                                              Does 7th grade shots hurt I'm getting it tommorw

                                                                              • Danimeme
                                                                                Danimeme  5 hours back


                                                                              • Nighxmare
                                                                                Nighxmare  1 days back

                                                                                Try not to tense your muscles in the area of injection. Distract yourself with something if it’s too hard. From my experience, it hurts the most when you tense your muscles, so try to stay calm. If you relax, it’s not that bad.

                                                                              • WinxBattles Season3
                                                                                WinxBattles Season3  1 days back

                                                                                Angela Lakes by “less than the disease” I mean it will hurt a bit, but getting the real thing instead is about 100 times worse

                                                                              • Angela Lakes
                                                                                Angela Lakes  1 days back

                                                                                @OwlSong UwU thank you sweetie

                                                                              • OwlSong UwU
                                                                                OwlSong UwU  1 days back

                                                                                I mean, it’s just like any other shot lol. It shouldn’t hurt too much. :) Just try to stay calm beforehand

                                                                            • Roy Rice
                                                                              Roy Rice  1 days back

                                                                              It's hard to undo even a false alarm.

                                                                              • Roy Rice
                                                                                Roy Rice  1 days back

                                                                                Life causes death and they haven't found the vaccine yet that you can live with.