Table 4.

The frequency of keywords used in publications from the five most prolific countries and China, 2000–2021.

China		Netherlands		UK		USA		India		Brazil
N	Keywords	N	Keywords	N	Keywords	N	Keywords	N	Keywords	N	Keywords
93	leprosy	72	leprosy	138	leprosy	183	mycobacterium leprae	117	leprosy	179	mycobacterium leprae
35	mycobacterium leprae	68	mycobacterium leprae	102	mycobacterium leprae	151	leprosy	84	mycobacterium leprae	144	disease
22	association	48	contact	83	tuberculosis	58	tuberculosis	33	lepromatous leprosy	66	diagnosis
21	identification	41	diagnosis	60	infection	57	diagnosis	33	disease	55	infection
21	diagnosis	35	risk factor	43	disease	53	infection	32	diagnosis	51	risk factor
20	susceptibility	33	tuberculosis	32	identification	52	disease	22	tuberculosis	47	lepromatous leprosy
19	disease	29	infection	31	mycobacterium tuberculosis	40	identification	21	expression	48	leprosy
18	tuberculosis	28	disease	28	diagnosis	35	contact	20	erythema nodosum leprosum	43	susceptibility
16	gene	27	Bangladesh	26	risk factor	32	lepromatous leprosy	19	multidrug therapy	42	association
14	variants	25	chemoprophylaxi	23	lepromatous leprosy	31	antigen	18	childhood leprosy	41	expression