“Overall I do not think vaccines are effective”5%10%15%20%25%“Vaccinesarenotimportantforchildrentohave”ChinaChinaIndiaIndiaUnited StatesUnited StatesBrazilBrazilRussiaRussiaMexicoMexicoPhilippinesPhilippinesIranIranFranceFranceColombiaColombiaUkraineUkraineBosnia and HerzegovinaBosnia and HerzegovinaFijiFijiAfricaAsiaEuropeNorth AmericaOceaniaSouth America1.2B1.2B400M400MDots sized byPopulation(historicalestimates)