https://www.vedomosti.ru/library/news/2009/05/25/v-rossii-vyyavlen-vtoroj-sluchaj-zabolevaniya-grippom-ah1n1?utm_source=telegram&utm_campaign=share&utm_medium=social&utm_content=v-rossii-vyyavlen-vtoroj-sluchaj-zabolevaniya-grippom-ah1n1