Covid-19: immune memory could last more than eight months

The more time passes, the more perspective we have on the natural immunity developed by ex-Covid-19 patients. In November, we could say that antibodies against … Read more

SRE highlights Mexican herbal medicine

MEXICO CITY The Secretaries of Foreign Affairs and Culture launched the printed and electronic facsimile edition of the Codex de la Cruz-Badiano, which is the … Read more