It's an immuno-overreaction that's highly fatal. New research is getting us closer to the chromosome that counts. Listen to DW's science podcast for a different angle on COVID-19 — five minutes every day from Germany.
A study of COVID-19 patients has found that they lost protective immunity within two to three months of recovery. Experts say that raises questions about social distancing, immunity passports and vaccines.
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.
A number of candidate vaccines for COVID-19 use a genetic modification of the virus. It's a relatively new process that scientists say may be safer and cheaper than conventional vaccines. Aren't there any downsides?
Men, women and children all become infected with the new coronavirus equally often. But men tend to suffer more severe cases of COVID-19 and are more likely to die of it. DW looks at possible explanations.
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