rna vaccine

  • Covid-19 Survivors Might Only Need One mRNA Vaccine Dose

    Covid-19 Survivors Might Only Need One mRNA Vaccine Dose

    For people who have survived a past encounter with covid-19, only one dose of a mRNA vaccine may be needed for full protection, research released Wednesday suggests. The findings add weight to the proposed idea by some experts that survivors should only get one shot in order to help stretch out the vaccine supply.