The effectiveness of the first dose of BNT162.b2 [Pfizer-Biontech] vaccine in reducing SARS-CoV-2 infection 13-24 days after immunization: real-world evidence
“We demonstrated an effectiveness of 51% of BNT162b2 [Pfizer-Biontech] vaccine against SARS-CoV-2 infection 13-24 days after immunization with the first dose. Immunization with the second dose should be continued to attain the anticipated protection.”
