> However the main purpose of a vaccine is herd immunity.
This is false when it comes to the COVID-19 vaccines under development. They do not—and are not meant to—prevent people from contracting and spreading the virus. They only reduce the symptoms. This does not help herd immunity (other than perhaps allowing the virus to spread faster, I guess).
This is false when it comes to the COVID-19 vaccines under development. They do not—and are not meant to—prevent people from contracting and spreading the virus. They only reduce the symptoms. This does not help herd immunity (other than perhaps allowing the virus to spread faster, I guess).