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Variola virus is an anthroponotic agent that belongs to the orthopoxvirus family. It is an etiological agent of smallpox, an ancient disease that caused massive mortality of human populations. Twentieth century has witnessed the death of about 300 million people due to the unavailability of an effec-tive vaccine.
- SpringerLink
Variola virus is an anthroponotic agent that belongs to the...
- SpringerLink
3 maj 2019 · Variola virus (VARV), the etiological agent of smallpox, is a historical cause of immense morbidity and mortality that resulted in an estimated 300–500 million deaths in the twentieth century alone. However, in vitro and in vivo investigations with infectious...
1 wrz 2022 · This strictly human disease exists in two forms: variola major (Asian smallpox) with mortality of 20–45%, and an attenuated form called variola minor or alatrim with mortality of 1–2%, which only recently appeared in Europe and America towards the end of the 19th century. The first smallpox pandemic was the "Antonine plague", which swept ...
Smallpox is an acute contagious disease caused by the variola virus, a member of the orthopoxvirus family. It was one of the most devastating diseases known to humanity and caused millions of deaths before it was eradicated. It is believed to have existed for at least 3000 years.
Death. Among people known to be infected with the variola major virus, around 30% are estimated to have died. In contrast, an infection of the variola minor virus was milder — it would lead to death in less than one percent of cases.5.
Variola virus (VARV) is the causative agent of smallpox, which is a highly transmissible disease unique to humans. Survivors present with characteristic scarred skin following the healing of pocks that form during the latter stages of the disease. The mortality rate of smallpox approaches 30%.
28 maj 2024 · Variola virus is an anthroponotic agent that belongs to the orthopoxvirus family. It is an etiological agent of smallpox, an ancient disease that caused massive mortality of human populations. Twentieth century has witnessed the death of about 300 million people due to the unavailability of an effective vaccine.
