| Haber: |
Haber Kaynağı: Çeşitli Haber Siteleri
The Omicron subvariants BA.4 and BA.5 have together become dominant in the U.S., the C.D.C. estimates.
The milestone comes less than six months since they were first detected in South Africa, and as the federal government considers an Omicron-specific booster dose for adults in the fall.
https://www.nytimes.com/2022/06/28/health/covid-subvariants-ba4-ba5.html
|
