행복한청소 글 전체보기 썸네일형 리스트형 코로나 바이러스 코로나바이러스란? Coronaviruses are a group of viruses that cause diseases in mammals and birds. In humans, the viruses cause respiratory infections which are typically mild including the common cold but rarer forms like SARS and MERS can be lethal. In cows and pigs they may cause diarrhea, while in chickens they can cause an upper respiratory disease. There are no vaccines or antiviral drugs that are a.. 이전 1 다음 WHERE WE ARE 강서본점 고양ꞏ파주지점 강동ꞏ강남지점 반응형 티스토리툴바 행복한청소구독하기
