
Single-dose of BNT162b2 vaccine may not be protective without prior SARS-CoV-2 infection
Vaccine rollouts in many countries are bringing hope that the coronavirus disease 2019 (COVID-19) pandemic, caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), will come to an end in the foreseeable future. Several vaccines have shown high protective efficacy against SARS-CoV-2 infection or severe disease. Study: Effect of previous SARS-CoV-2 infection on humoral and T-cell responses to single-dose […]
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