Arboviral Diseases and Influenza

Flashcards covering arboviral diseases and influenza, including key viruses, symptoms, transmission, and treatments.

Arboviral Diseases/Arthropod borne viral diseases in U.S (5)

EEE - Eastern Equine Encephalitis virus - potential bio weapon

WEE - Western EE

St Louis Encephalatis (SLE) - most important mosqutio transmitted disease in U.S

Lacrosse Encephalitis

Dengue fever (Breakbonefever - Severe joint pain)

Dengue Fever Risk, what % of worlds pop is at risk, and how many cases annual

Symptoms? (3)

How is it transmitted?

WHO estimates 2/5 of the world's population is at risk, with approximately 50 million cases annually.

Symptoms: Severe HA, M/J pain, fever, rash, death

Transmitted via Aedes mosquito in warm/wet areas

1918 Influenza Pandemic (H1N1 Virus) (Swine Flu)

Most devestating pandemic of inf.disease in history

• killed 25-30% of worlds pop, 20-50m people

Hemagglutinin (H)

Surface antigen on influenza viruses that helps the virus attach to the cell.

Neuraminidase (N)

Surface antigen on influenza viruses that helps the virus leave the cell.

Influenza virus contains

RNA, in helical capsid

Flu Vaccine

Recommended annually, especially for older people, young children, pregnant women, and the immunosuppressed; CDC decides which strain will be worst.

flu virus mutates every year.

Tamiflu and Relenza Vaccines

Flu treatments that can shorten the duration and severity of illness by inhibiting N spikes, preventing the virus from leaving the cell.

Every flu season, how many kids die/year

100