A third dose of the Pfizer/BioNTech Covid-19 vaccine can "strongly" boost protection against the Delta variant -- beyond the protection afforded by the standard two doses, suggests new data released by Pfizer on Wednesday.
A third dose of the Pfizer/BioNTech Covid-19 vaccine can "strongly" boost protection against the Delta variant -- beyond the protection afforded by the standard two doses, suggests new data released by Pfizer on Wednesday. | | | | | | | | |
