Ukraine has confirmed cases of two new dominant coronavirus subvariants in the world - Nimbus and Stratus. They spread faster than their predecessors and pose a risk to people with weakened immune ...

Covid-19 levels are on the rise in the US, with transmission increasing in at least 45 states. Yet people who want to get vaccinated this fall may face a growing set of obstacles. Last week, the CDC ...

The COVID-19 pandemic brought the travel industry to a near standstill, with cruise ships and airlines particularly hard hit. While most restrictions have been lifted, some changes, such as virtual ...