What do we know so far about the Omicron BA.2 variant?
The Omicron BA.2 variant is now the dominant strain of COVID-19 around the world and causing virus levels to rise significantly in some countries.
The Omicron BA.2 variant is now the dominant strain of COVID-19 around the world and causing virus levels to rise significantly in some countries.
For the first time, researchers believe they've cured a woman of HIV thanks to a stem cell transplant.
Danish health officials estimate that BA.2 may be 1.5 times more transmissible than BA.1. The HSA found no evidence of a difference in vaccine effectiveness, according to the Jan. 28 report.
A man in the US, suffering from heart disease became the first person ever to receive a transplant from a genetically modified pig heart this year.
Research is underway across the world to understand the impact of Omicron on current vaccine effectiveness.
Pfizer and German partner BioNTech SE have announced preliminary results of the large-scale clinical trial of their COVID-19 vaccine candidate.