“It’s becoming increasingly clear that many pathogens are able to quickly mutate. Like the proverbial leopard that changes its spots, a virus can change the antigens on its surface,” Pulendran said.
南方人物周刊：有理想化的倾向不好吗？
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Блогерша показала страшные последствия попадания на кожу яда насекомого19:33
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