Exam 2 Flashcards
Respiratory disease
SARS
Acute disease
SARS
Geographic origin of SARS?
Guandong Province (Southern China)
City WOW associated as earliest case of SARS?
Fushan
Newly emerging disease developed from a previously unknown disease agent
SARS
Hot zones of SARS?
China, Hanoi, Hong Kong, Singapore, and Canada
Spread by close contact with an infected person? (coughing and sneezing)
SARS
What was central to global diffusion of SARS?
Global air traffic
Origin of SARS “outbreak”?
Horseshoe bat
What was responsible for the control/elimination of SARS?
Global public health
If ____ reemerges it will be a seasonal disease
SARS-CoV
Interesting characteristic about SARS?
Superspreaders
In addition to respiratory also attacks the gastrointestinal and other organ tracts
SARS
SAR injury?
- Cellular destruction due to viral replication
- Immune hyperactivity
- Pulmonary epithelial destruction
What is immune hyperactivity?
- Cytokine overproduction
- Macrophage concentration
What is pulmonary epithelial destruction?
Alveolar damage
Any non-antibody proteins (ex-lymphokines)
Cytokines
Released by cell population on contact with a specific antigen
Cytokines
Intercellular mediators
Cytokines
Declared contained July 9, 2003
SARS
The precise coronavirus that caused SARS is mostly contained within _____laboratories
BSL-4
Acute respiratory infection due to influenza virus
Influenza
Highly contagious with any contact with secretions or infected person
Influenza
Incubation period of influenza?
1-5 days
Communicability of influenza?
1-2 days before clinical signs. 4-5 days after onset
Timing of Influenza?
Peak Dec-March
Some strains of ____cause more severe illness than others
Influenza
Symptoms of influenza?
- Sudden onset
- Fever, headache, muscle aches, severe weakness
- couch, sore throat, difficulty breathing
- In children vomiting and diarrhea
Type____ Influenza infects animals
A
Type ____ Influenza is responsible for pandemics
A