Infectious Disease and Public Health

Question 1

ongoing collection analysis and interpretation of health data integrated with timely dissemination with those who need to know

Answer 1

surveillance

Question 2

relies on existing information reported by laboratories and health care providers

Answer 2

passive surveillance

Question 3

system in which those responsible for collecting info go into the community to obtain it

Answer 3

active surveillance

Question 4

hierarchy of cased based reporting

Answer 4

diagnosing provider or lab –> local health department –> state health department –> federal agency (CDC, FDA)

Question 5

R 0 =

Answer 5

R0= pcd

Question 6

p is

Answer 6

probability of transmission per contact

Question 7

c is

Answer 7

contacts per unit time

Question 8

d is

Answer 8

duration of infectiousness

Question 9

if R0 is <1

Answer 9

infection will disappear

Question 10

if R0=1

Answer 10

infection will become endemic

Question 11

if R0 >1

Answer 11

infection will become epidemic

Question 12

when you recognize a cluster of unusual presentations you should

Answer 12

report to health department

Question 13

attack rate

Answer 13

of people exposed that become ill/#of people exposed

Question 14

why is increased HCV screening now recommended?

Answer 14

increased burden of suffering (opioid epidemic)

better treatment

Question 15

study commonly used to estimate prevalence

Answer 15

cross-sectional

Question 16

what must be ensured to screen and treat patients?

Answer 16

test availability
insurance
follow up
treatment availability

Question 17

addition of extra survival time due to earlier detection of disease

Answer 17

lead time bias

Question 18

two tiered testing for Lyme

Answer 18

EIA or IFA

if positive –> Western blot

Question 19

CDC positive Western blot for Lyme

Answer 19

2 of 3 bands on IgM

5 of 10 bands on IgG

Question 20

early lyme treatment

Answer 20

oral tetracycline

Question 21

late Lyme treatment

Answer 21

IV cephalosporin

Question 22

post-Lyme treatment

Answer 22

anti-inflammatory

Question 23

measure of new and existing cases

Answer 23

prevalence

Question 24

steady state in defined group of people

Answer 24

endemic

Question 25

vector for Zika

Answer 25

aedes mosquito

Question 26

routes of transmission Zika

Answer 26

maternal-fetal
sexual
blood transfusion

Question 27

causal relationship of zika and microcephaly

Answer 27

infection during prenatal develop is consistent with observed defects