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5 sie 2022 · You can catch the smallpox virus by being around someone who has it. An infected person can spread the virus when they cough, sneeze or talk. Coming in contact with skin sores also can cause you to get smallpox. Indirectly from an infected person.
28 cze 2016 · Smallpox is an ancient disease caused by the variola virus. Early symptoms include high fever and fatigue. The virus then produces a characteristic rash, particularly on the face, arms and legs.
Smallpox is transmitted from person to person via infective droplets during close contact with infected people who have symptoms of the disease, or in some cases through contaminated clothing and bedding.
The more common, infectious form of the disease was caused by the variola major virus strain, known for its significantly higher mortality rate compared to its counterpart, variola minor. Variola major had a fatality rate of around 30%, while variola minor’s mortality rate was about 1%.
Some factors that may have contributed to successfully eradicating smallpox include: Only humans get smallpox. It doesn’t spread through animals or insects. This means fewer ways to get infected. It was easy to identify. Everyone who had smallpox had symptoms, including a characteristic rash.
7 cze 2016 · It was contagious—meaning, it spread from one person to another. People who had smallpox had a fever and a distinctive, progressive skin rash. Most people with smallpox recovered, but about 3 out of every 10 people with the disease died. Many smallpox survivors have permanent scars over large areas of their body, especially their faces.
Home. Infectious disease topics. Smallpox was a systemic disease, officially eradicated since 1979 (WHO), caused by infection with the Variola major virus, whose only reservoir was infected humans. The infection was usually transmitted via inhalation of droplets.
