You may soon be offered a fourth COVID-19 shot. What's known about second boosters? 0 01.04.2022 22:13 CTVNews.ca More Canadians may soon be offered a fourth dose of the COVID-19 vaccine -- a move most experts agree could be vital to containing the potential damage of another case surge. What do we know about second booster doses? Moscow.media Частные объявления сегодня Rss.plus Все новости за 24 часа Другие проекты от SMI24.net Музыкальные новости Агрегатор новостей 24СМИ