WebPulmonary form of smallpox: Characteristic smallpox symptoms of this variety are typically severe and include cyanosis (a condition which causes the skin and / or mucous membranes to become discoloured, appearing blue or purple due to low oxygen levels in the red blood cells or a lack of oxygen circulation in the body). The first symptoms of smallpox usually appear 12 to 14 days after you're exposed to the smallpox virus. However, the virus can be in your body from 7 to 19 days before you look or feel sick. This time is called the incubation period. After the incubation period, sudden flu-like symptoms occur. These include: 1. Fever 2. … See more Smallpox is a serious and often deadly viral infection. It's contagious — meaning it spreads from person to person — and can cause permanent scarring. Sometimes, it causes disfigurement. Smallpox has affected humans for … See more Smallpox is caused by the variola virus. The virus can spread: 1. Directly from person to person.You can catch the smallpox virus by … See more If a smallpox outbreak happened, people with smallpox would be isolated to try to stop the spread of the virus. Anyone who had contact with someone who had smallpox would need … See more Most people who get smallpox survive. However, some rare types of smallpox are almost always deadly. These more-severe forms are most common in pregnant women and children. People who recover from smallpox usually … See more
Smallpox - WHO
WebWhat are the symptoms? Smallpox is extremely infectious and is spread from one person to another by infected saliva droplets. Exposure may come from face-to-face contact, airborne spread (coughing or sneezing), or through direct contact with contaminated materials. People with smallpox are most infectious during the first week of illness ... WebJun 6, 2024 · Susceptibility Risk Factors. Smallpox is caused by the variola virus and is only known to be transmitted between humans. Live virus is kept for research purposes in only two laboratories in the world: the Centers … involve definition synonym
Smallpox - Symptoms and causes - Mayo Clinic
WebApr 7, 2009 · Smallpox is an infectious disease caused by the variola virus. It is characterized by fever, a general feeling of ill health (malaise), headaches and back pain. … WebJun 28, 2016 · Early symptoms include high fever and fatigue. The virus then produces a characteristic rash, particularly on the face, arms and legs. The resulting spots become … WebSmallpox is a highly contagious disease caused by the smallpox virus, an orthopoxvirus. Case fatality rate is about 30%. Natural infection has been eradicated. The main concern … involved employee