Strategy for Vaccination Against COVID-19: Postponement of the Second Dose in a Context of Shortage
… a PCR test at the administration of the second dose. In the experimental group, SARS-CoV-2 infection was documented in 14 of the 14,134 participants versus 38 of the 14,073 participants in the control group. This result suggests that one dose of the vaccine reduces the risk of infection by 63% four weeks after its administration. All these data indicate good…
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