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14 Cards in this Set

  • Front
  • Back
What are the current circulating strains of influenza?
H3N2A, H1N1A, B
How is it transmitted?
Through the air and by touch - especially in the cold, dry air of the winter
What are the non-specific symptoms of influenza? (6)
fever
chills/rigor
extreme malaise
myalgia and arthralgia
headache
loss of appetite
What are specific symptoms of influenza? (2)
dry cough
SOB
What is the treatment for influenza?
Oseltamivir or zanamivir for both A and B
Amantadine and Rimantidine are not used much anymore because of resistance
What are the two types of influenza vaccines?
The trivalent vaccine - made in eggs and is composed of dead vaccine (administered IM)
Cold-adapted live flu virus (intra-nasal administration)
What are the chances of getting influenza from the trivalent vaccine?
Zero
Which influenza drug can be used as prophylaxis?
Oseltamivir
What does RSV (respiratory syncytial virus) cause?
Bronchiolitis (necrosis of respiratory epithelium)
What is bronchiolitis?
Narrowing of the bronchioles in a muscle-independent manner - not like asthma
What factors increase the severity of RSV in children?
Young
Low weight for their age
Premature birth
Underlying cardiac or pulmonary disease
How is RSV transmitted?
Contaminated secretions and hands
Besides bronchiolitis, what are the other clinical manifestations of RSV? (and identifying characteristics)
Upper respiratory infection (cold, rhinitis)
Bronchitis (cough)
Pneumonia (tachypnea, SOB)
Bronchiolitis (wheezing)
How is RSV treated?
Normally, just management of symptoms.
In immunosuppressed, use Ribavirin aerosol (very toxic and airborne)