三日疟原虫目前在我国己几乎绝迹。湖北省二十多年来未见有三日疟的病例报告。我院于1980～1982年三年中,发现三日疟感染者4例,其中1例为献血员三日疟带虫者,另3例均系由输血所感染。现将3例情况结合讨论报告如下: 病例介绍【例1】郑某,男,44岁,住院号6631,沙市橡胶厂工人。1979年11月15日因上消化道出血作胃大部分切除术,住院2月,输血4次,(1979年11月18日至1980年1月20日)献血员4人。于1980年2月2日自觉头昏、畏寒,继之高热体温39℃,未服药体温自行下降,间隔2天又发作,畏寒、 Plasmodium malaria is almost extinct in our country at present. There have been no case reports of malaria on the 3rd in Hubei Province for more than two decades. In our hospital from 1980 to 1982, we found 4 cases of malaria infection on the 3rd day, 1 case of malaria parasite on blood donors and 3 cases of infection by blood transfusion. Now three cases combined with the discussion report is as follows: Case introduction [Example 1] Jeong, male, 44 years old, hospital number 6631, Shashi rubber factory workers. November 15, 1979 due to upper gastrointestinal bleeding for most of the stomach resection, hospitalization in February, transfusion 4 times, (November 18, 1979 to January 20, 1980) blood donors 4. February 2, 1980 consciously dizziness, chills, followed by fever 39 ℃, not taking the body temperature down on their own, separated by 2 days and attack, chills,