السياسي
مشرف
- إنضم
- Jun 24, 2008
- المشاركات
- 34,101
- مستوى التفاعل
- 9
- المطرح
- قلب الحدث
Analysis from the UEA found the highly-virulent B.1.1.7 strain which evolved in Kent has made it impossible to ever achieve herd immunity with the current effectiveness of vaccines.
https://www.dailymail.co.uk/sciencetech/article-9171483/Herd-immunity-not-achievable-UK-vaccinated.html?ns_mchannel=rss&ito=1490&ns_campaign=1490 ]قرااء المزيد ..... [/url]
https://www.dailymail.co.uk/sciencetech/article-9171483/Herd-immunity-not-achievable-UK-vaccinated.html?ns_mchannel=rss&ito=1490&ns_campaign=1490 ]قرااء المزيد ..... [/url]