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Pro vložení Vašeho dotazu - založte prosím nové téma zde- A combination
- A combination of good vaccine rollout, particularly among the older more vulnerable groups who are the ones most at risk of serious illness, and natural immunity from infection means there is likely to be a much smaller pool of vulnerable people for the virus to infect. Researchers at the London School of Hygiene and Tropical Medicine have been trying to quantify this by looking at what would happen if everyone was suddenly exposed to the virus in one go. อ่านต่อได้ที่ : โรงเรียนวัดนิกรประสาท สาระน่ารู้ : ประจำเดือน
- Vložil: A combination v 07:46 dne 24.11.2021
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