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Smallpox

Smallpox

Smallpox is a severe contagious disease caused by the Variola major virus, a double-stranded DNA member of the Poxviridae family.Variola major transmission occurs primarily via inhalation of virus-laden droplets or direct contact with infectious scabs. The incubation period averages approximately seven days, although it may range from 7 to 17 days depending on the inoculum and host factors.Clinically, the prodromal phase is marked by an abrupt onset of high fever, malaise, headache, and myalgia.

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Updated: Jun 17, 2026

Vaccinia Virus Infection & Temporal Analysis of Virus Gene Expression: Part 1

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Reply to "Monkeypox virus cytologic findings"

Jeannette Guarner¹, Kartik Viswanathan², Daniel J Lubin²

¹Emory University Hospital, Atlanta, GA, US.

American Journal of Clinical Pathology

|November 8, 2023

Summary

No abstract available in PubMed .

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