Covid-19: Omicron variant responsible for almost 90% of infections in Portugal | SARS-CoV-2
The Omicron variant of the SARS-CoV-2 coronavirus is already responsible for almost 90% of occurrences in Portugal, an “sudden increase” that occurred just over a month after the first cases, announced this Tuesday the National Institute of Health Doctor Ricardo Jorge (Insa). “Since December 6, there has been an increase in the proportion of probable […]