Doctors are warning that Covid-19 infection can cause croup and that it may be more severe than ... croup caused by other viruses.
getty
Although young… Read More...
Rodents can carry the Lassa virus, which can cause Lassa fever. (Photo by Karen Kasmauski/Corbis via ... Getty Images)
Corbis via Getty Images
The words… Read More...
Athletes and team officials are testing positive for COVID-19 at much higher rates than other people arriving in China for the Beijing Olympics, organizers said Tuesday.
Figures… Read More...