Communicable Disease

Question 1

3 Types of Influenza Virus

Answer 1

Influenza A B C viruses

Question 2

classified into subtypes based on combinations of
Hemagglutinin (HA) and Neuraminidase (NA)

Answer 2

Influenza A virus

Question 3

Not classified into subtypes but broken down to lineages: B/Yamagata; B/Victoria

Answer 3

Influenza B virus

Question 4

Most stable with low pathogenicity (subclinical infection)

Answer 4

Influenza C virus

Question 5

most effective way to prevent the disease

Answer 5

Vaccine

Question 6

through sneezing or coughing, but can also be by direct contact
with mucus- or droplet- contaminated surfaces (fomites)

Answer 6

Respiratory Droplets

Question 7

can also occur from smaller particles derived from dried-out
droplets that become aerosolized. The results of aerosols of particles are more likely
from medical procedures such as manual ventilation, suction, and bronchoscopy.

Answer 7

Airborne transmission

Question 8

Shepherd’s crook
morphology,
”U” or “6” shape

Answer 8

Pathogen

Question 9

Cause disease in
primates

Answer 9

Reston virus

Question 10

highly virulent and
require maximum containment
facilities for laboratory work:
Biosafety Level 4

Answer 10

Filovirus

Question 11

Highest mortality rate of all the viral hemorrhagic fevers

Answer 11

25-90%
• Average case fatality rate 50%

Question 12

The largest outbreak to date was the Ebola virus epidemic in

Answer 12

West Africa

Question 13

the first known
outbreak of EVD (Sudan virus)

Answer 13

Sudan outbreak

Question 14

Second outbreak
(Democratic Republic of the Congo)
(Zaire ebolavirus)

Answer 14

Zaire outbreak

Question 15

Dengue fever is most common in

Answer 15

Southeast asia

Question 16

Severe dengue was first
recognized in the

Answer 16

Philippines

Question 17

Peak transmission of dengue

Answer 17

Rainy season