WHO: How do vaccines work?

Vaccines protect us against deadly diseases. Vaccines are a safe and clever way to
keep us healthy, safe and strong. Learn more about how #VaccinesWork.

#VaccinesWork for all is a campaign of the World Health Organization for the World
Immunization Week.

More information:
https://www.youtube.com/redirect?redir_token=7r9pqkYdEfbcezXkzMQ98Qmxd3h8MTU4ODI1OTUzMEAxNTg4MTczMTMw&event=video_description&v=zoHOigIp94Q&q=https%3A%2F%2Fwww.who.int%2Fnews-room%2Fcampaigns%2Fworld-immunization-week%2Fworld-immunization-week-2020

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