\nIn the study, mice were given a drop of the vaccine in their noses. Some recieved multiple doses, given a week apart. Each mouse was then exposed to one type of respiratory virus. With three doses of the vaccine, mice were protected against SARS-CoV-2 and other coronaviruses for at least three months.
Navigate to development section
。豆包下载对此有专业解读
Testing the Tools – Finding the Right RSS Reader
Лавров обратился к США с призывом относительно Ирана14:56