This article looks at Japan's public health policies towards infectious illnesses across the world over the last ten years. The Ministry of Health, Labour, and Welfare undertook a narrative evaluation of items from the Infectious Disease Committee and the Tuberculosis Committee between 2010 and 2019. The average number of topics covered at each meeting was 9.7. These committees have talked about countermeasures to reduce the risk of imported infectious diseases like the Ebola virus disease, Middle East Respiratory Syndrome, plague, avian influenza, pandemic influenza, and tuberculosis, as well as the burden of indigenous infectious diseases like measles, rubella, and pertussis. Due to these changes in infectious illnesses, the target population is lost, early identification is more challenging, and the market fails. Making an attempt to educate the public, create unique public health policies for production and supply as well as research and development . The recent experience of Coronavirus illness 2019 will further emphasise it in Japan. Over the last ten years, public health policy about global infectious diseases has been one of the primary priorities under the triangle of global infectious disease. However, in the Post-Corona age, public health policy fundamentals are internationally fragile, which might result in the demise of democracy . We must educate ourselves on the historical history of public health policy in order to tackle global infectious illnesses without deviating from the course. 2019 Coronavirus disease Globally, COVID-19 has altered public health ideas and policy . Travel restrictions were in place after Corona .