LONDON (Reuters) - A highly infectious variant of COVID-19 that has spread around the world since it was first discovered in Britain late last year is between 30% and 100% more deadly than previous ...

Higher test positivity rates are a sign that many infections are not reported — even if they are tested for at home. This results in a more severe undercount of cases. The number of hospitalized ...

This year, the COVID-19 pandemic continued to have a detrimental impact on the health and welfare of billions of people, devastating economies and worsening inequality around the world. In 2020, about ...

Once used for tracking COVID-19 cases, the tracker has become a resource for virus trends in general, including measles Originally launched to track major pandemic outbreaks in the US and around the ...