Lecture 22 viral infection new

Question 1

2 types of bacterial/archaeal infection

Answer 1

lytic virulent t4

lysogenic temperate λ

Question 2

lysogenic conversion

Answer 2

prophage lysogen phenotype

diptheria β
salmonella ε

Question 3

lysogeny advantage

Answer 3

phage > host

nutrient dormant

Question 4

viral induction

Answer 4

UV
growth condition
temp-viru

Question 5

acute infection

Answer 5

12-48hr
high progeny
symptomatic

Question 6

persistent latent infection

Answer 6

no progeny
genome + few protein
asymptomatic
stress/hormone to acute

Question 7

persistent chronic

Answer 7

progeny
offspring
symptomatic

Question 8

transformative infection

Answer 8

oncogene
tumour suppressor
protooncogenes
HPV

Question 9

transmission within host

Answer 9

dissemination
viremia 1°/2°
neurotropism

Question 10

covid

Answer 10

acute airborne
fever cough fatigue
SOB pneu ARDS

Question 11

poliomyelitis

Answer 11

food/water
acute
chronic CNS paralysis

Question 12

AIDS

Answer 12

2-8wk cd4, FHRW

10yr lymph

cd4,abdom, diarr

Question 13

zika

Answer 13

FCM

Question 14

H5N1

Answer 14

50%
pneu ARDS
poultry

Question 15

flu

Answer 15

airborne acute
myalgia anorexia
szn, intermit
pneu 2°