\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.
В стране ЕС белоруске без ее ведома удалили все детородные органы22:38
，详情可参考新收录的资料
Трамп раскрыл свои опасения по поводу операции в Иране02:50，详情可参考新收录的资料
10 resolved to Int。关于这个话题，新收录的资料提供了深入分析
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