There is no certainty that covid-19 generates immunity: Lopez-Gatell.
The undersecretary of health said that WHO does not recommend the use of antibody tests to determine the history of infection and…
The undersecretary of health said that WHO does not recommend the use of antibody tests to determine the history of infection and…
MEXICO CITY (Reuters) – A proposal to allow for the prosecution of Mexican presidents for a wide range of crimes overwhelmingly passed…