Hot news: New Covid-19 variant, B.1.526, spotted in New York City.

https://edition.cnn.com/2021/02/25/health/variants-coronavirus-new-york-city/index.html

This new variant is said to be locally mutated in NY and has the same evasive immunity property as B1351 (South African variant).  AstraZeneca's vaccine has proven to be ineffective against B1351.

http://sg-stock.blogspot.com/2021/02/south-africa-suspends-astrazeneca-covid.html

Pfizer's efficacy is also low against B1351.

http://sg-stock.blogspot.com/2021/02/pfizer-has-finally-come-clean-about-its.html