Discuss the mechanistic approaches and limitations for the detection of aerosolized respiratory pathogens in the environment.

Name and discuss the advantages and disadvantages of at least five different bio-indicators which are used for the detection of environmental pollution in contaminated sites.

There are multiple epidemiologic study designs.  Study designs can be categorized as an experimental or observational design.  What is the primary difference between the two? (Choose the one best answer)      1. In an experimental design, the outcome/disease is assigned 2. In an observational design, the outcome/disease is assigned 3. In an experimental design, the exposure/treatment is assigned 4. In an observational design, the exposure/treatment is assigned 5. They are both epidemiologic study designs without a distinct difference

education.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fnewconnect.mheducation.com%252F#/... 16 Saved Help Save & Exit atory Labeling i P(O2) = 95 mm Hg P(CO2) = 45 mm Hg P(O₂) = 40 mm Hg P(CO2) = 40 mm Hg Systemic circulation Systemic cells PO₂ = 40 mm Hg Pco₂ = 45 mm Hg H a Oxygen exchange Carbon dioxide exchange P(CO2) = 40 mm Hg P(CO2) = 45 mm Hg P(CO2) = 40 mm Hg S