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As South Africa officially enters its fifth wave of Covid-19, dominated by the highly infectious omicron subvariants, the primary threat to health from shared indoor air - but not the only one - is its contamination with the airborne coronavirus. According to Gareth...

The exact mechanism of the spread of coronavirus (SARS-CoV-2) has remained elusive. Previously thought to be spread through surfaces, epidemiologists have now found that countries whose populations wore masks during the pandemic were affected less. However,...

It’s springtime in Colorado, and the season of graduations and weddings is in full swing. Signs of the pandemic are few and far between in crowds right now — not a lot of people are wearing masks, and that social distancing rule seems like a thing of the past. But...

The Omicron variant became the main one to watch for in the UK back in November - and now nearly 30 million people in China are living under lockdown as infections peak. Brits are still testing positive and now a new study has revealed the early signs to watch out for...

Dr Tom Frieden, director of the US Centers for Disease Control and Prevention during the Obama administration, said the highly transmissible Omicron variant of the coronavirus can still be dangerous, especially in people who are older, immunosuppressed or not...