Class Notes (836,414)
Canada (509,777)
Health Studies (1,192)
HLTB21H3 (204)
Lecture

Lec Measles .docx

9 Pages
109 Views
Unlock Document

Department
Health Studies
Course
HLTB21H3
Professor
Sandy Romain
Semester
Winter

Description
HLTA01 Measles 26/02/2013 7:24:00 AM Rubeola  10 day measles  English measles  Red measles  Hard measles o Rubella (German measles)  o Roseola History of Measles  Sufficient population sizes to support measles did not exist prior to 2500 BC o No record before that o Cannot exist due to small population sizes  Confused with smallpox and other rash diseases for much of history  Rhazes differentiated between measles and smallpox in 910 AD o Smallpox and measles were confused even though it looks different o There are variability of diseases that are often confused in the pass Peter Panum  1846- the Faroe Island is easy for him to study o there are around 8000 people  6100 / 7864 inhabitants infected  102 deaths  Virgin population for 65 years – no immunity o Anybody who became in contact with these people will be susceptible to the disease Faroe Islands  Visits from mainland were rare and well documented o Because it was really rare  Epidemic originated with a single arriving sailor  4 key facts: o Rash appears 12-14 days after contact with infected person o Infectivity greatest 3-4 days before rash appears o Respiratory transmission o Life-long immunity Paramyxovirus (Pathogen)  Morbillivirus o Similar viruses infect many animal species, but measles is specific to humans – no reservoirs  It’s a benefit when it comes to vaccination o Highly infectious  90% would be infected when it comes into contact o Respiratory transmission , close personal contact or direct contact with secretions  Can be infectious 4 days before symptoms appear o Natural infection creates life-long immunity  Infants can get immunity from mother that last 6 months Host Risk Factors  Anyone not immunized o There are 2 schedule for MMR  Children <5 yrs  Malnutrition o Affect ability to be infected  Vitamin A insufficiency  HIV/AIDS or immunecompromised  Pregnancy – for both mother and baby Environmental Risk Factors  Weak health infrastructure  Countries recovering from natural disaster or conflict o When individuals are crowed in a area (high population density) and when the population is not vaccinated Clinical Symptoms  red spot with a white dot in the center  rash start from forehead down  fever could be go higher than 106  the rash fade the same order as it starts Complications  30% of all measles cases develop complications: o Pneumonia – leading cause of death o Ear infections – in 10% of cases which may cause permanent hearing loss o Diarrhea – causing dehydration  Children that are malnourish could die o Eye infections – may cause blindness o Subacute sclerosing panencephalitis (SSPE)  Fatal degenerative neurological disease  Could show up from 1month to 27 years  Cause by measles virus in the brain  Are rare but can happen Treatment  No antiviral treatment exists for measles  Supporting care including nutrition and oral rehydration solution  Antibiotics for select symptoms (eye and ear infections and pneumonia)  Vitamin A supplements o Extremely important o 2 doses of vitamin A o reduce death by 15% o reduce lost of eyesight Vaccination  US immunization is higher than Canada for children o Due to the uptake Challenges to Vaccination  Vaccination and immunization is the same a. Understanding o Biomedical vs. other concepts of health, wellness and body  Are often taken for granted o Concepts of pathogens, infection, prevention, antibodies and vaccines  Why take vaccine for a disease that’s not there? o Education  Need to put it in a sense that people would accept vaccination (hard to communicate with people) b. Attitudes, belief and trust o Personal rights versus population health  94% of the population need to be immunize for the
More Less

Related notes for HLTB21H3

Log In


OR

Join OneClass

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

Sign up

Join to view


OR

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.


Submit