Answer:
Medical scientist, medical microbiologist, and Clinical biochemist.
Step-by-step explanation:
Medical scientists design and conduct studies to investigate human diseases, and methods to prevent and treat them.
A medical microbiologist studies the characteristics of pathogens, their modes of transmission, mechanisms of infection and growth.
Clinical biochemists are responsible for testing patient samples and interpreting the results for medical staff. They work as part of a hospital medical team that is responsible for investigating and diagnosing patient illnesses.