Just 1 vaccine dose may protect recovered COVID patients from new infectionRecovered COVID-19 patients given a single dose of a currently authorized mRNA vaccine had a robust immune response equal to or exceeding that reached by their coronavirus-naïve peers after the second dose, according to a non–peer reviewed study published yesterday on the medRxiv preprint server.Currently, the recommended dosing schedule for the two authorized mRNA vaccines, manufactured by Pfizer/BioNTech and Moderna, is two doses given 3 or 4 weeks apart.
But the study researchers at Mount Sinai's Icahn School of Medicine say their findings suggest that the current policy could be amended to include only one dose in recovered coronavirus patients, sparing them from