The health department found an alarming number of individuals with a rare disease. They decide to collaborate with a major hospital in the area to conduct a study to uncover possible past exposures. The hospital plans to match healthy controls to those with the rare disease. This type of study would be classified as:

i dont get it

Explanation:

answer:

i honestly don't know. but for being kind and considerate and trying to make people feel better! people like you show the world that their is still always kindness going around. it means a lot to me (and others! ) that you are trying to cheer people up. we need more people like you! < 3 < 3 < 3

explanation:

spread the love with #notahater !