During the first two months of 2021, the Covid-19 pandemic appeared to be well controlled and would soon disappear. But the devastation caused by the second...
The Spanish flu has infected about 500 million people and killed at least 50 million people. So far, the Centers for Disease Control and Prevention has...
(Photo: Photo of Reuters Connect) Scientists at the University of Cambridge argue that the measles, mumps and rubella vaccines can protect people with severe COVID-19. According...
Recent Comments