“Today, December 24, vaccination against COVID-19 begins in Mexico,” he wrote on his Twitter page.

Hoy, 24 de diciembre, inicia la vacunación contra # COVID19 en México y cambia el manejo de la epidemia con una luz de esperanza;

ya tenemos un instrumento de protección efectivo.

1/2 pic.twitter.com/nfQIxAHIRz

- Hugo López-Gatell Ramírez (@HLGatell) December 24, 2020

Earlier, Professor of Virology at the Gamaleya Center Anatoly Altstein, in an interview with the NSN, recalled the risks of asymptomatic COVID-19.