WebSmallpox is the only human disease that has been successfully eradicated. 1 Smallpox, an infectious disease caused by the variola virus, was a major cause of mortality in the past, with historic records of outbreaks across the world. Its historic death tolls were so large that it is often likened to the Black Plague. WebIf someone becomes infected with smallpox, it may take anywhere from 7 to 19 days for symptoms to start. At first a person may have flu-like symptoms such as high fever, tiredness, headaches, body aches, and sometimes vomiting. Within 2 to 3 days after symptoms start, a rash develops. It typically affects the face, legs, and arms.
Smallpox - Diagnosis and treatment - Mayo Clinic
WebSep 15, 2016 · Smallpox is a disease caused by the Variola major virus. Some experts say that over the centuries it has killed more people than all other infectious diseases combined. Worldwide vaccination stopped the spread of smallpox three decades ago. The last case was reported in 1977. WebDec 11, 2014 · Smallpox, caused by the variola virus, was a highly contagious infectious disease that caused infected individuals to develop a fever and a progressive, disfiguring skin rash. Three of out 10 individuals … grading criteria for writing
Smallpox/Monkeypox Vaccine Information Statement CDC
WebSmallpox infection was eliminated from the world in 1977. Smallpox is caused by variola virus. The incubation period is about 12 days (range: 7 to 17 days) following exposure. Initial symptoms include high fever, fatigue, and head and back aches. A characteristic rash, most prominent on the face, arms, and legs, follows in 2-3 days. WebThe smallpox rash starts in your mouth and on your face and quickly covers most of your body. It starts as a rash and ends up as hard bumps that turn into scabs. In the most … WebDec 11, 2014 · Smallpox is a category A pathogen which are those organisms/biological agents that pose the highest risk to national security and public health because they can be easily disseminated or transmitted from person to person, result in high mortality rates and have the potential for major public health impact, might cause public panic and social … chimay shop