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13 mar 2019 · 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
There are at least 2 strains of smallpox virus: Variola major (classic smallpox), the more virulent strain. Variola minor (alastrim), the less virulent strain. Smallpox is transmitted from person to person by inhalation of respiratory droplets or, less efficiently, by direct contact.
21 cze 2016 · Smallpox has two main forms: variola major and variola minor. The two forms showed similar lesions. The disease followed a milder course in variola minor, which had a case fatality rate of less than 1 per cent. The fatality rate of variola major was around 30%.
The 2 predominant variants of variola, major and minor, differ greatly in their mortality rates (30% vs 1%, respectively). Variola major was the predominant endemic strain throughout the...
1 sty 2014 · Orthopoxviruses are large, complex DNA viruses within the family Poxviridae. Four orthopoxvirus species are known to cause human disease: variola virus (smallpox), vaccinia virus (smallpox vaccine), cowpox virus, and monkeypox virus.
21 mar 2024 · Diagnostic Considerations. The rash of chickenpox was frequently mistaken for that of smallpox during the days of natural infection. Both conditions can result in pustular scarring lesions that...
There are 2 clinical types of smallpox, variola major and variola minor. Variola major is the most common and severe form and has a death rate of about 30%. Variola minor is a much less common form with an estimated death rate of less than 1%.
