Herd Immunity

Question 1

Herd Immunity

Answer 1

when a sufficiently high proportion of the population is immune to a disease that the disease is unable to spread

Question 2

Herd Immunity Threshold

Answer 2

Minimum proportion of a population that must be immune to achieve herd immunity

Question 3

Herd effect

Answer 3

A reduced effect of infection among susceptible indv. Due to the indirect protection conferred by the presence and proximity of immune indv. In a population

Question 4

R number

Answer 4

1. R >1: the disease will continue spreading = Epidemic
2. When R =1: the disease remains steady = Endemic
3. When R <1: The disease will DIE out

Question 5

What is an live-attenuated vaccine

Answer 5

Vaccine containing weaken viruses/bacteria

Question 6

What is an inactivated vaccine?

Answer 6

vaccine containing killed grown viruses/bacterium using heat/chemical

Question 7

Live-attenuated vaccine examples

Answer 7

MMR, Rotavirus, Yellow fever, Influenza nasal spray

Question 8

Live-attenuated vaccine contraindications

Answer 8

Not to be used in immunosuppressant patients

Question 9

Herd Immunity equation

Answer 9

p > 1 - (1/R0)