Covid-19 will likely become an endemic in humans, therefore, to tackle the emergent variants of the contagious SARS-CoV-2, scientists will have to come up with newer formulas of Covid-19 vaccine, says Expert
Portugal now has one of the highest COVID-19 infection rates in the world, which is posing problems for the country's tourism sector. Meanwhile, cases in India rose to a level not seen in over a month. DW has the latest.
You may be at risk of catching the new subvariants BA.4 or BA.5 even if you had the original omicron, virologist Alex Sigal told DW's Science Unscripted.