Variola minor virus, also called alastrim, was a less common form of the virus, and much less deadly. Although variola minor had the same incubation period and pathogenetic stages as smallpox, it is believed to have had a mortality rate of less …

Variola minor, like variola major, is highly infectious and could be spread through inhalation of the virus released from lesions into nasal secretions, and also through direct contact of scab material, though at a much lower rate of transmission.

The variola virus causes smallpox. There are two variants of variola: variola major and variola minor (or variola alastrim). Variola major caused most cases of smallpox and the most deaths.

Variola major is the severe form of smallpox, with a more extensive rash and higher fever. It is also the most common form of smallpox. There are four types of variola major smallpox:...

2024年10月22日 · Smallpox was an infectious disease caused by the variola virus. Smallpox has been eradicated, with no cases occurring since 1977. The disease caused rashes and could spread through coughing and sneezing. Smallpox no longer occurs naturally, but it is possible that variola virus could be used in a biological attack.

Variola minor causes alastrim, a milder form of smallpox with a fatality rate of 1%. Ordinary smallpox, caused by Variola major, has a fatality rate of 30%. In 2% to 6% of smallpox infections, the lesions are classified as either hemorrhagic, characterized by bleeding sores, or flat, where the lesions are soft and flat.

2023年6月14日 · Variola minor: A common, but less fatal type of smallpox. A 2021 review of research estimates that less than 5% of those infected died. Variola major: A more common and deadly type...

2019年3月13日 · Smallpox is broadly classified into major smallpox (variola major) and minor smallpox (variola minor), reflecting clinical features and disease severity, with subcategories in each. MAJOR SMALLPOX. Clinical criteria: Febrile prodrome – Abrupt onset – lasts 2 to 4 days, before rash – temperature 39ºC to 41ºC

Variola minor results in symptoms that are similar but much less severe, with a less extensive rash. Case fatality rate is < 1%.

Smallpox is a highly contagious, very deadly disease caused by the variola virus. The disease is now considered eliminated. There have been no cases of smallpox since 1977. People can acquire the infection by breathing air exhaled or coughed out by an infected person.