DNA VIRUSES PART 2: POXVIRUS Flashcards
(49 cards)
Subtype of Small pox which caused the most severe disease with case fatality of 30% and occurred mainly in Asia
Variola Major
Pox virus infection that is systemic infection that spreads the virus throughout the body
Fulminant
Transmission of smallpox
Respiratory droplets
Transmission of molluscum, orf, monkeypox
Direct contact
Zoonoses viruses of poxviridae
Orf and monkeypox
Intact form of the virion of poxvirus from a vesical fluid specimen
Mulberry form
Damaged form of the virion of poxvirus from a scalp specimen
Capsule form
Give the code of the anti viral tx: Brimcidofovir/Tembexa
CMX001
Give the code of the antiviral tx: Tecovirimat/Tpoxx
ST246
Incubation period of variola virus
10-17 days
Lesions are present in greater concentration on the head and limbs including the palms and soles
Centrifugal distribution
Rash: small, round changes in skin color
Macules
Rash: slightly elevated with no fluid
Papules
Rash: containing a bubble of fluid
Vesicles
Rash: containing a purulent material consisting of necrotic inflammatory cells
Pustules
Vaccines for Variola virus
ACAM2000, ARSV (Aventis Pasteur Smallpox Vaccine)
Patients with Variola virus are infectious after the _ has appeared
Rash
Rash appears in
24-48hrs (1-2days)
A Jennerian vaccine named for Edward Jenner in 1796(1798)
Vaccinia
Considered a bioterrorism agent
Smallpox
Smallpox is caused by Variola virus characterized by
Vesicular and pustular eruption
Causative agent: Variola Virus
* Centrifugal distribution
* Most dense on face and
extremities
* Lesions appear during a 1– 2 day
period
* Lesions evolve at the same rate
Classic Smallpox Rash
Distribution of chickenpox
Centripetal
subtype of ordinary type smallpox rash
* have distinct areas of normal skin between discrete pustules
Discrete subtype