Disease Detectives B/C

[IcsTam]

I'll post a few questions, I hope Knyte_Xjn doesn't mind.

1. What is a serotype? Give two examples.
2. Describe the natural history of disease timeline.

Good questions! 1. Serotype is a variation within a species of bacteria or virus. Two Examples are Cholera 0:1 and 0:139 and E. Coli O157:H7 and ETEC.
2. Stage of Susceptibility (An individual is at risk for a pathogen, but does not have one yet.) -> Stage of Subclinical Disease (an agent has entered the host, but the symptoms have not onset yet) -> Stage of Clinical Disease (the disease is expressing symptoms in the host) -> Stage of Recovery, Disability, or Death (the disease runs its course and the host has one of the three outcomes.)

[Nerd_Bunny]

I'll post a few questions, I hope Knyte_Xjn doesn't mind.

1. What is a serotype? Give two examples.
2. Describe the natural history of disease timeline.

Good questions! 1. Serotype is a variation within a species of bacteria or virus. Two Examples are Cholera 0:1 and 0:139 and E. Coli O157:H7 and ETEC.
2. Stage of Susceptibility (An individual is at risk for a pathogen, but does not have one yet.) -> Stage of Subclinical Disease (an agent has entered the host, but the symptoms have not onset yet) -> Stage of Clinical Disease (the disease is expressing symptoms in the host) -> Stage of Recovery, Disability, or Death (the disease runs its course and the host has one of the three outcomes.)

Correct! Your turn!

[IcsTam]

Explain the difference between a suspected, probable, and confirmed case.

[Tailsfan101]

Explain the difference between a suspected, probable, and confirmed case.

Suspected: Some factors point to diagnosis
Probable: Many factors point to diagnosis, but no lab verification
Confirmed: Diagnosis by lab verification

[IcsTam]

Explain the difference between a suspected, probable, and confirmed case.

Suspected: Some factors point to diagnosis
Probable: Many factors point to diagnosis, but no lab verification
Confirmed: Diagnosis by lab verification

Yup, your turn

[Tailsfan101]

1. Who is the current director of the CDC?
2. List what the following stand for:
a. WHO
b. EIS
c. YPLL
d. CFSAN
e. ELISA

[Nerd_Bunny]

1. Who is the current director of the CDC?
2. List what the following stand for:
a. WHO
b. EIS
c. YPLL
d. CFSAN
e. ELISA

1. Tom Fiedan
2a. World Health Organization
b. Epidemic Intelligence Service
c. Years of Potential Life Lost
d. Center for Food Safety and Applied Nutrition
e. Enzyme-Linked Immunosorbent Assay
I just put all of these on my information sheet!

[Tailsfan101]

1. Who is the current director of the CDC?
2. List what the following stand for:
a. WHO
b. EIS
c. YPLL
d. CFSAN
e. ELISA

1. Tom Fiedan
2a. World Health Organization
b. Epidemic Intelligence Service
c. Years of Potential Life Lost
d. Center for Food Safety and Applied Nutrition
e. Enzyme-Linked Immunosorbent Assay
I just put all of these on my information sheet!

1. Anne Schuchat
2. All correct Your turn!

[Nerd_Bunny]

Ah, she's only been director for a few years. Oops.

1. What is another name for incidence proportion?
2. Define the secondary attack rate.
3. In what type of scenario would I want a cohort study vs a case-control study? Give an example.
4. How many food-borne illness cases are there every year in the US?

[UTF-8 U+6211 U+662F]

Ah, she's only been director for a few years. Oops.

1. What is another name for incidence proportion?
2. Define the secondary attack rate.
3. In what type of scenario would I want a cohort study vs a case-control study? Give an example.
4. How many food-borne illness cases are there every year in the US?

Answers (Click to Show Hidden Text)

1. Incidence rate?
2. The attack rate of new cases among the contacts of known cases
3. If the disease is rare, you would want to use a case-control study. However, case-control studies can only be retrospective, so if you want to run an experiment to figure out the effects of an exposure on a disease, you would run a cohort study.
4. Around 240 000?