Here's a study from December 29th on the effect of the vaccine on Omicron in South Africa. https://www.nejm.org/doi/full/10.1056/NEJMc2119270 https://www.nejm.o

Here's a study from December 29th on the effect of the vaccine on Omicron in South Africa. https://www.nejm.org/doi/full/10.1056/NEJMc2119270 https://www.nejm.org/doi/full/10.1056/NEJMc2119270