Roughly one third of face masks fail German quality control tests. Here's how to tell if yours is safe. Listen to DW's science podcast for a different angle on the coronavirus — five minutes every day from Germany.
Vitamin D plays a role in almost all processes in our body. Now, one study says that a lack of vitamin D could also worsen the spread of COVID-19. Can this be?
Six months have passed since SARS-CoV-2 became known worldwide. Since then, researchers have found out much about the virus and made progress in combating it. Here are the most important points.
239 researchers called for an update of the corona guidelines by the WHO, as transmission via ultrafine suspended matter in the air was not sufficiently taken into account. Now the WHO also sees the danger.
India's top health agency has reported that the country should have a coronavirus vaccine ready in time for Independence Day on August 15. Experts warn that the short time line is both unrealistic and dangerous.
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