Passive surveillance techniques (example: mandatory notification of reportable disease), are susceptible to survivorship bias

Domestic dogs have been tested for Chagas’ disease (Trypanosoma cruzi infection) in the past. Because dogs live near people and explore the outdoors, they are likely to be exposed to cruzi before people are exposed. Testing dogs to estimate the risk of exposure to humans is what type of surveillance?

What bacteria is the only one that can result in a violation of illegally high SCC or bacteria count when cows are infected?

Which of the following mastitis pathogens would you NOT cull the cow immediately

How does length of stay affect the daily population within a shelter?

Which federal agency determines the “approved” antibiotics for food fish in the U.S. ?

The unit of concern that is the basis of epidemiology, separates epidemiologic study of disease from other disciplines and is included in most definitions of epidemiology is:

A researcher is interested in the relationship between smoking and lung cancer. They create a study design of stopping 1,000 people on the street and asking them if they smoke then simultaneously screening them for lung cancer. What type of study design would this be? 

Name the three common places coliform bacteria are found.

What is the minimum spacing recommendation (in square feet) when group housing cats?