Research keywords (1):
Epidemiology, Disease control, Preventive medicine, Public Health, Hygiene, Epidemiology of hepatitis virus infection, Epidemiology of Fatty liver disease, Epidemiology of COVID-19
Japanese society of public health, Japanese society of internal medicine,The Japan society of hepatology, Japanese respiratory society, Japan epidemiological association
, Japan Epidemiological Association
, Japanese society of public health, Japanese society of internal medicine, The Japan society of hepatology, Japanese respiratory society, Japanese society of allergology