Centre says Meghalaya polio case is vaccine-derived 0 20.08.2024 19:39 The Hindu In rare cases, the weakened form of the virus in the vaccine can circulate in an under-immunised population, says WHO; less than 760 cases of vaccine-derived polio among three billion children immunised since 2000 Moscow.media Частные объявления сегодня Rss.plus Все новости за 24 часа Другие проекты от SMI24.net Музыкальные новости Агрегатор новостей 24СМИ
