WebThe smallpox virus is caused by Variola major, closely related to cowpox, monkeypox, and camelpox. Its second form, Variola minor, causes similar lesions but has a much lower mortality rate (~1%).
British History in depth: Smallpox: Eradicating the Scourge - BBC
WebSmallpox was an infectious disease caused by variola virus (often called smallpox virus) ... In Northern Europe a number of countries had eliminated smallpox by 1900, and by 1914, the incidence in most industrialized countries had decreased to comparatively low levels. After first contacts with Europeans and Africans, some believe that the death of 90–95% of the native population of the New World was caused by Old World diseases. It is suspected that smallpox was the chief culprit and responsible for killing nearly all of the native inhabitants of the Americas. For more than 200 years, this disease affected all new world populations, mostly without intentional European transmission, from contact in the early 16th century until possibly a… most vegetables oils are rich in
History’s deadliest pandemics: Plague, smallpox, flu, covid-19 ...
WebHuman Vaccine as a Prophylactic of Smallpox: Its Advantages and Disadvantages. Public Health Pap Rep. 1900;26:87-91. WebAug 5, 2024 · Tecovirimat (Tpoxx). The U.S. Food and Drug Administration (FDA) approved this drug for use in the U.S. in 2024. Research found that it worked in animals and in lab tests. However, it hasn't been tested in people who are sick with smallpox. So it's not known if it's an effective drug option. 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 and spreads to your face, then to the rest of your body. Sores, then hard pustules that form from the rash. Symptoms like fever, headache and fatigue appear first. minimum income required for filing income tax