Web1889—1890年流感大流行（英語： 1889–1890 flu pandemic ），又稱「俄國流感（Russian flu）」，是指於1889年爆發的一次流感大流行。 最主要的一波疫情發生於1889年-1890年，此後1890年-1892年又發生了兩波較大規模的疫情。 此次大流行共造成了全球約100萬人死亡，是歷史上致死人數最多的流行病之一，也是 ... WebSmallpox is spread from one person to another by infected respiratory droplets. Smallpox patients are highly contagious during the first week of illness, since that is the time when the largest amount of virus is present in the throat. However, some risk of transmission lasts until all scabs have fallen off.

Smallpox - WHO

Web2 days ago · The monkeypox virus is an orthopoxvirus that causes mpox (monkeypox), a disease with symptoms similar to smallpox, although less severe. While smallpox was eradicated in 1980, mpox continues to occur in countries of central and west Africa. Since May 2024, cases have also been reported from countries without previously documented … WebFeb 27, 2024 · Smallpox was a severe infectious disease that affected humans for thousands of years before its eradication in the late 20th century. The symptoms included … shanghai medical university address

Smallpox - Epidemiology

WebJan 31, 2003 · Dr. Frank Welch, medical director of the state public health office's immunization program, said doctors, nurses, respiratory therapists and others who are going to come into "intentional face-to-face contact" with a smallpox case need to be protected. "The vaccine does carry some risk to it," Welch said. But contracting smallpox … WebSymptoms of smallpox come in stages and include: High fever. Severe headache. Backache. Stomach pain. Extreme fatigue and weakness. Vomiting. Rash that starts in your mouth … WebNov 17, 2024 · Smallpox, a deadly and highly contagious disease caused by a virus, was eradicated in the late 1970s after global vaccination efforts. Its telltale symptom is a red … shanghai medsci healthcare co. ltd