There are also inactivated-virus covid-19 vaccines [0] in trials that one could expect to impart more broad-based immunity than the mrna vaccines which are desi

There are also inactivated-virus covid-19 vaccines [0] in trials that one could expect to impart more broad-based immunity than the mrna vaccines which are designed to target only one part of the virus. [0] https://en.wikipedia.org/wiki/Sinovac#COVID-19_vaccine_development https://en.wikipedia.org/wiki/Sinovac#COVID-19_vaccine_devel...