Transcript yellow fever virus

YELLOW FEVER VIRUS
What do you know about the Yellow
Fever Virus?
• Make a list of 4 things the book “Fever
1793” insinuates about Yellow Fever.
• Now write down 2 things you absolutely
know about Yellow Fever.
Definition of Terms
• Endemic – Native to, and restricted to, a
particular geographical region. (example:
chicken pox in America.)
• Epidemic – disease or anything
resembling a disease; attacking or
affecting many individuals in a community
or a population.
• Pandemic –An outbreak of disease that
spreads throughout the world.
Definition
• Yellow fever is a viral infection transmitted
by mosquitoes
Causes
• Yellow fever is caused by a small virus
that is spread by the bite of mosquitoes.
• This disease is common in South America
and in sub-Saharan Africa.
Three Stages of Yellow Fever Virus
1st Stage –
Early stage: Headache, muscle aches,
fever, loss of appetite, vomiting, and
jaundice are common. After approximately
3 - 4 days, often symptoms go away briefly
(remission).
Three Stages of Yellow Fever Virus
2nd Stage –
Period of remission: After 3
- 4 days, fever and other
symptoms go away.
Most people will recover
at this stage, but others
may move onto the third,
most dangerous stage
(intoxication stage)
within 24 hours.
Three Stages of Yellow Fever Virus
3rd Stage –
Period of intoxication: Multi-organ
dysfunction occurs. This includes liver and
kidney failure, bleeding
disorders/hemorrhage, and brain
dysfunction including delirium, seizures,
coma, shock, and death.
Symptoms
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Arrhythmias, heart dysfunction
Bleeding (may progress to hemorrhage)
Coma
Decreased urination
Delirium
Fever
Headache
Jaundice
Muscle aches (myalgia)
Red eyes, face, tongue
Seizures
Vomiting
Vomiting blood
Prevention
• Sleep in screened housing
• Use mosquito repellents
• Wear clothing that fully covers your
body
• Ask for a vaccination from your doctor.
Compare and Contrast
• Draw a Venn Diagram comparing what the
book Fever 1793 perceives as the
symptoms and causes and what we now
know about the Yellow Fever Virus.
TASK
• Design a product that you feel could get rid of
the Yellow Fever Virus
– Write a description with the Drug Facts
• Dosage
• Ingredients (need 2)(2 real medicinal ingredients)
• Possible side effects (warnings)
– Illustrate the look of the medication and the container
– YOU MAY WORK WITH A PARTNER OR ON YOUR
OWN!
– Should be completed on a blank sheet of computer
paper.
• http://www.nlm.nih.gov/medlineplus/ency/article/001365.
htm - MAIN SOURCE
• Bryan CS, et al. Yellow fever in the Americas. Infect Dis
Clin North Am. 2004;18(2):275-292.
• Cohen J, Powderly WG. Infectious Diseases. 2nd ed.
New York, NY: Elsevier; 2004:2095-2098.
• Mandell GL, Bennett JE, Dolin R. Principles and Practice
of Infectious Diseases. 6th ed. London: Churchill
Livingstone; 2005.
• Auerbach PS. Wilderness Medicine. 4th ed. St. Louis,
Mo: Mosby; 2001:1578-1580.