Video Player is loading.

Hasta la próxima


CORONAVIRUS PANDEMIC - Huang Jie

aforahmed
aforahmed - 242 vistas
0
242 vistas
Publicado en 01 Aug 2021 / En

Huang Jie, research Professor from the School of Public Health at Peking University, shares his opinions on the efficiency of vaccination against delta variant, and the need to have a booster dose.

Mostrar más
0 Comentarios sort Ordenar por

Hasta la próxima