A few “super carriers” with off-the-charts viral loads are likely responsible for the bulk of COVID-19 transmissions, while about half of infected people aren’t contagious at […]
The use of hand sanitisers and other antibacterial and antiviral cleaning products has sharply increased worldwide since the pandemic started—and may be here to stay. While […]
Doctors have warned of the risks associated with pausing or delaying vaccination programmes against covid-19, as the number of European countries that have halted use of […]