- Pfizer says South African variant could significantly reduce vaccine protection https://www.reuters.com/article/us-health-coronavirus-vaccines-variants-iduskbn2ah2vg 6 comments worldnews
- Pfizer says South African variant could significantly reduce vaccine protection https://www.nbcnews.com/news/us-news/pfizer-says-south-african-variant-could-significantly-reduce-vaccine-protection-n1258198 11 comments worldnews