All these four community-acquired HCoVs have been well adapted to humans and are generally less likely to mutate to cause highly pathogenic diseases, though accidents did occur for unknown reasons as in the rare case of a more virulent subtype of HCoV-NL63, which has recently been reported to cause severe lower respiratory tract infection in China.
ئەگەر سەیری خانەیەک لە خڕۆکە سپیەکان بکەیت لە کۆئەندامی بەرگری لە مرۆڤداTico19 Tico19