22 Apr Watch the? TED talk on ‘How Vaccines Work’ https://youtu.be/55wOg9fe_Ms?si=UYxH9hQKqlbIOiEA ?and Herd Immunity . ????https://youtu.be/ZRclbfK5q08?si=jgVwcCkUSGkG6fXB ???( Clic
To contribute to this discussion forum: Watch the TED talk on "How Vaccines Work" https://youtu.be/55wOg9fe_Ms?si=UYxH9hQKqlbIOiEA and Herd Immunity . https://youtu.be/ZRclbfK5q08?si=jgVwcCkUSGkG6fXB ( Click on the link to watch the videos)and write a short report (200-250 words, in your own words) on what you learned and...