Protection against the previously-dominant Delta variant was highest among people who were both vaccinated and had survived a previous COVID-19 infection, according to a report published by the U.S. Centers for Disease Control and Prevention.
Protection against the previously-dominant Delta variant was highest among people who were both vaccinated and had survived a previous COVID-19 infection, according to a report published by the U.S. Centers for Disease Control and Prevention.
Post a Comment
EmoticonClick to see the code!
To insert emoticon you must added at least one space before the code.