We conducted a phase 2–3 double-blind trial to assess the efficacy and safety of nirmatrelvir–ritonavir in asymptomatic, rapid antigen test–negative adults who had been exposed to a household contact ...
DUBAI: Countries in the Middle East and North Africa (MENA) region with low rates of vaccination against COVID-19 have been experiencing an explosion of new cases and fatalities linked to the spread ...
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