Contaniminating food with the germs they picked up from the bathroom.
The correct answer is; Epidemiology study.
Further Explanation:
This type of study is used when there is a large population of people or animals who have developed a certain type of disease. The people who study this are called Epidemiologists.
An Epidemiologist determines what can be done to protect people so that they will not get the disease. They also study the factors of what is associated with the disease itself. The main types of study are;
- Risk factors
- Protective factors
- Cohort
- Case-control
- Cross-sectional studies
The areas of study are;
- Transmission
- Disease surveillance
- Disease causation
- Outbreak investigation
- Environmental epidemiology
- Forensic epidemiology
- Occupational epidemiology
- Screening
- Biomonitoring
Learn more about Epidemiology at brainly.com/question/14338937
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The right answer has to do with birth defects and in this case the defect wouldn't be hereditary nor genetic so i think the best answer is (D) underdeveloped lungs