Shared Flashcard Set

Details

Biology
Infectious Disease
21
Biology
Undergraduate 1
09/11/2014

Additional Biology Flashcards

 


 

Cards

Term
Step 1; Attachment
Definition
The virus attaches in a specific reception on the host cell. Responsible for hose specificity
Term
Step 2: Presentation
Definition
Virus enters host cell.
Term
Step 3: Production of viral genetic information and proteins
Definition
The virus directs structures in the host cell to make parts of new viruses
Term
Step 4:
Definition
Newly synthesized viral genetic information
Term
Influenza A (the flu)
Definition
Most common virus
Term
Haemagglutinin & Neuraminidase
Definition
Two major proteins on the surface of influenza A
Term
Haemagglutinin
Definition
Required for viral entry into cell
Term
Neuraminidase
Definition
Required for release from cell
Term
Direct contact, aerosol, contaminated surfaces. Virus shedding begins 1 day before symptoms and continues for 5-7 days
Definition
How is influenza spread and how long before symptoms
Term
Survives longer on surfaces in the winter - dry weather with less sunlight
Winter - people indoors with closer contact
Definition
When is influenza strongest?
Term
-Vaccine
-Neuraminidase inhibitors
Over the counter medications treat symptoms
Definition
What are treatments for influenza?
Term
-Genetically modified to make them weak
-not recommended for the very young or elderly
-Mild flu-like symptoms associated with this one
Definition
3 strains of Nasal Spray (LAIV)
Term
-two influenza A strains, one influenza B
-Inactivated (killed) virus
-Will NOT give you flu symptoms
Definition
3 strains of Vaccines
Term
Do not have viral DNA and use viral RNA to make viral DNA in process of reverse transcription
Definition
Retrovirus
Term
Made of RNA and proteins. A virus that carries the genetic instructions in the form of RNA rather than DNA.
Definition
HIV (Human Immunodeficiency Virus)
Term
Large-scale outbreak of an infectious disease
(Bubonic plague and smallpox
Definition
Epidemic
Term
An emerging disease. - condition with clinically distinct symptoms whose incidence has increased over the last two decades
- Disease that has reappeared after a decline in incidence
Definition
Threat
Term
Occur occasionally at unpredictable intervals and affect a few people within a restricted area
Definition
Sporadic Diseases
Term
Always present and pose little threat (common cold)
Definition
Endemic Diseases
Term
Occur suddenly and spread rapidly to many people
Definition
Smallpox
Term
Global outbreak of disease (HIV/AIDS)
Definition
Pandemic
Supporting users have an ad free experience!