1) https://ru.wikipedia.org/wiki/%D0%90%D0%BD%D1%82%D0%B8%D1%82%D0%B5%D0%BB%D0%BE%D0%B7%D0%B0%D0%B2%D0%B8%D1%81%D0%B8%D0%BC%D0%BE%D0%B5_%D1%83%D1%81%D0%B8%D0%BB%D0%B5%D0%BD%D0%B8%D0%B5_%D0%B8%D0%BD%D1%84%D0%B5%D0%BA%D1%86%D0%B8%D0%B8
2) https://ru.wikipedia.org/wiki/%D0%90%D0%BD%D1%82%D0%B8%D1%82%D0%B5%D0%BB%D0%BE%D0%B7%D0%B0%D0%B2%D0%B8%D1%81%D0%B8%D0%BC%D0%BE%D0%B5_%D1%83%D1%81%D0%B8%D0%BB%D0%B5%D0%BD%D0%B8%D0%B5_%D0%B8%D0%BD%D1%84%D0%B5%D0%BA%D1%86%D0%B8%D0%B8#%D0%92%D0%BE%D0%B7%D0%BC%D0%BE%D0%B6%D0%BD%D0%B0%D1%8F_%D1%80%D0%BE%D0%BB%D1%8C_%D0%90%D0%97%D0%A3%D0%98_%D0%B2_%D0%BF%D0%B0%D1%82%D0%BE%D1%84%D0%B8%D0%B7%D0%B8%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D0%B8_COVID-19