Norovirus and Toxoplasma gondii

Question 1

What is the infectious dose for norovirus?

Answer 1

Slide 7.

Question 2

What is the reservoir for norovirus?

Answer 2

Humans!

Question 3

Why can norovirus be difficult to study in a laboratory setting?

Answer 3

You cannot culture it in the lab.

Question 4

What form does Toxoplasma gondii take when outside of a host (cat, mouse, etc)?

Answer 4

Oocyst.

Question 5

Why are pregnant women recommended not to clean out a cats litter box?

Answer 5

Because cats are carriers of <i> Toxoplasma gondii <i></i></i>

Question 6

True or false: most cases of foodborne illness are due to organisms we recognize to be pathogens

Answer 6

See slide 2; it is estimated that most foodborne illnesses are due to “unspecified agents”, suggesting there are many more pathogens we still do not know about

Question 7

The most common cause of foodborne illness in the United States is due to what organism?

Answer 7

Norovirus

Question 8

What imported food is a growing concern for transmission of Toxoplasma to humans?

Answer 8

Imported meats such as wild boar and wild game meat