Introduction to Infectious disease Epidemiology Flashcards Preview

HLSC 4804U Global Dimensions of Communicable Diseases > Introduction to Infectious disease Epidemiology > Flashcards

Flashcards in Introduction to Infectious disease Epidemiology Deck (17)
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1

What are the ways of transmission?

- Contact (direct or indirect)
- Perinatal
- Food or water borne
- Airborne
- Vector Borne

2

What are the reservoirs?

- Human
- Animals
- Soil
- Water

3

What can laboratory evidence include?

- Antibodies
- Viral isolation
- Nucleic acids

4

What diseases are acute with recovery and long term immunity?

- Measles
- Mumps
- Rubella
- Polio
- Diphtheria

5

What diseases are acute with some chronic carriers?

- HBV
- HSV - 1 and HSV - 2
- VZV
- Chlamydia trachomatis infections

6

What diseases are acute disease , chronic sequelae without carrier state?

- Group A streptococcal (ARF, AGN)
- Syphilis
- Lyme disease

7

What diseases are chronic carriers common?

- HIV
- HBV
- HSV -2
- HPV
- HCV
- H. pylori infections
- Opisthorchis viverrin
- Schistosoma infections

8

What diseases are chronic carriers that may develop cancer?

- HBV (heptocellular CA)
- HCV (heptocellular CA)
- HPV (Cervical or laryngeal CA)
- H. pylori (gastric CA)
- HTLV -1 (T cell leukemia)
- EBV (nasopharyngeal carcinoma)
- HHV - 8 (Kaposis's sarcoma)
- Opisthorchis cholangiocarcinoma

9

What does incidence mean?

The rate at which persons acquire the disease or the rate at which the infectious agent is being transmitted throughout the population

10

What is incidence always associated with?

Unit of time

11

What does incidence represents ?

New cases of disease

12

What does prevalence mean?

The number of people who are infected divided by the number of people in the population

13

What can the number of people infected have ?

Symptoms or laboratory evidence of the infection

14

What does prevalence represents?

New and existing cases of disease

15

What is surveillance?

The ongoing and systematic collection, collation, and analysis of data, and the dissemination of the results to those who need to know to avoid or prevent infections or epidemics

16

What are some examples of surveillance?

- Public Health Agency of Canada
- Centers for Disease Control and prevention
- European Centre for Disease Prevention and Control

17

What is herd immunity?

When the pool of immune individuals has reached a point where it is unlikely for a susceptible individual to interact with an infected individual