New Antiviral Blocks COVID-19 Transmission Within the…

New Antiviral Blocks COVID-19 Transmission Within the Household, If Given Fast Enough The antiviral drug ensitrelvir prevents COVID-19 infection in household contacts of patients when given within 72 hours of symptom onset in the index patient, according to a Phase III randomized controlled trial. The result was also confirmed in NEJM: ensitrelvir was more effective than placebo in preventing COVID-19 in household contacts of patients with SARS-CoV-2 infection. This is a different category of antiviral strat