Research on Public Health Security Risk Management and Emergency Response Measures under Climate Change

Climate change, characterized by global warming, has a wider and deeper impact on society, economy and life.Climate change is an important cause of human health and the spread of infectious diseases.The explosiveness and uncertainty of the epidemic of infectious diseases pose a huge threat to human health and become a major challenge for global public health security.Beginning in January 2020, a new coronavirus-infected pneumonia (COVID-19) was first diagnosed in Wuhan, China, and the epidemic quickly spread across the country, becoming a major event with the fastest spread, widest range of infection, and most difficult prevention and control in New China Public health emergencies have caused far-reaching social impacts and huge economic costs.This article analyzes the direct impact of climate on human health and the trend of the occurrence and spread of infectious diseases caused by future climate change.According to the shortcomings and deficiencies exposed in the public health field during the epidemic prevention and control, in the face of new situations, new challenges and new requirements, countermeasures were proposed for national governance and emergency response to public safety.To solve the current problems in a targeted manner, and actively promote the modernization of the national governance system and the modernization of governance capabilities.It is not only a scientific issue, but also an economic issue, and it is also a political issue that guarantees social harmony and security and stability.It has important practical significance and long-term historical significance.