Table 1.

Topic description and examples of identified keywords.

Topic	Definition and scope	Examples of keywords
Clinical Medicine	Study and practice of medicine that is founded on the direct observation of patients	treatment, chest, therapy, symptom, clinical trial
Immunology	Covers the study of immune systems in all organisms	immune, antibody, drug, vaccine, spike
Molecular Biology	Branch of biology dealing with the structure and function of the macromolecules essential to life	proteins, nucleic acids, virus cell, antibodies, cytokine
Public Health	Branch of medicine dealing with public health, including hygiene, epidemiology, and disease prevention	public health system, patient, mental health, community, nursing
Epidemiology	Studies the rapid spread of disease to a large number of people in a given population within a short period of time	disease, outbreak, countries, masks, tests