Covid-19: A third and …. perhaps a fourth dose
Despite mass vaccination the fifth wave of the Covid-19 epidemic continues to rise with 61,340 new cases in 24 hours. Prof. Jean-François Delfraissy mentions a possible 4ᵉ dose of vaccination.
Despite mass vaccination the fifth wave of the Covid-19 epidemic continues to rise with 61,340 new cases in 24 hours. Prof. Jean-François Delfraissy mentions a possible 4ᵉ dose of vaccination.