Smallpox (Lec 7) Study notes

3 Pages
Unlock Document

Health Studies
Caroline Barakat

Smallpox (Lecture 7) Clinical Manifestations: oIncubation period: 12-14 days oInfectious - day prior to the appears of the rash and until the scabs have separated o Symptoms: • High fever • Malaise • Rigors • Occasionally delirium • Headache • Pain in back & muscles • Children - sometimes vomiting, convulsions • Severest infections - extreme toxaemia, massive haemorrhaging oRash appears: 2-5 days later • Face, palms, the soles • Then eventually onto the trunk of body o In a few days, small pimples of rash turn into pustules o8th or 9th after first eruptions: drying and crusting of the pustules o3 or 4 weeks later: scabs fall off o Male infertility and blindness (1/3 of survivors) may occur Smallpox - Basic information & Etiology o Caused by virus: orthopoxvirus • Common name: Variola • Family: poxviridae oTwo main types: • variola major - mortality rate: 25%-30% • variola minor - mortality rate: 1% or less oAcute viral infection • No longer an active infection/has been successfully eradicated oStrictly a human disease o Epidemic every 5-15 years oCan survive for up to 2 days outside of human host oNo animal reservoir oClosely related to zoonotic diseases such as: cowpox, chickenpox & monkeypox o Could survive in scabs for considerable amounts of time oTransmissions usually occurred
More Less

Related notes for HLTB21H3

Log In


Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.