Resp RSV/PIV (lec 11)

Question 1

Parainfluenza V (PIV) microbe characteristics?

Answer 1

Nonsegmented ssRNA genome

4 serotypes

Question 2

PIV:

Transmission?

Infects?

Sxs?

Answer 2

Resp tract entry via droplet

Up resp ciliated epith cells, turbinates

Harsh cough, snot, SOB, ST

Question 3

PIV epidemiology?

Answer 3

Fall/Winter
Kids
Type 3 is endemic (temp immunity)

Question 4

PIV diagnostics?

Tx?

Answer 4

nasal wash/throat swab
FAB/RT-PCR

none, no vaccine

Question 5

PIV and Croup?

Answer 5

Signal illness for PIV

(U) PIV1 > PIV2

Question 6

PIV complications?

Answer 6

Otitis Media

Question 7

Respiratory Syncytial Virus (RSV) microbe characteristics?

Answer 7

paramyxovirus

Question 8

RSV:

Infects?

Sxs?

Answer 8

nose/throat/bronchi epith

(U) from inflammatory response to infection:
cough, dyspnea, cyanosis

Question 9

RSV epidemiology?

Answer 9

Winter

Most C low resp inf < 4yo

Question 10

RSV:

Dx?

Tx?

Answer 10

Rapid antigen
Immun Assay

Prevent w/ immune globin
Tx w/ Ribavirin

Question 11

SARS caused by?

Answer 11

coronavirus

high fatality