Perhaps the most direct use of GIS technology is as a tool for understanding and displaying disease or disease risks related to environmental exposures. Benefits include:

[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine. what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.

Make a prediction about that person’s wellness and justify your prediction using two or more complete sentences.

What do you need to verify in a patient's profile? a. name, address, medication b. name, phone number, address, medication, dose, frequency, manufacturer c. name, medication, dose, strength, frequency d. name, history of illness, medication, dose, strength, frequency