(1) the application of microbiology, parasitology, immunology, molecular biology and other technologies, isolation and identification of a variety of pathogens, the level of infection and immunity levels of populations and animal hosts and other related diseases, immunity effect determination;
(2) food and food products, drinking water and water source water, and water supply related to the Pipes, chemical treatment agents, water purification equipment, public **** places, cosmetics, daily-use chemicals and health products, medical and sanitary supplies, sanitary supplies and appliances, as well as disinfecting insecticides and rodenticides with medicines and equipment, such as microbiological and theoretical testing of the quality of hygiene, to provide a scientific basis for the supervision and management of health;
(3) the use of toxicological techniques on new resources, new products, pesticides and disinfectants and insecticides, etc., to carry out toxicological Safety evaluation;
(4) monitoring of physical factors such as noise, microwave, vibration, high frequency, rays, and chemical factors such as poisonous and harmful gases in the environment of production, living and special places;
(5) conducting research on the development of new testing technologies and methods, and participating in the scientific research of the relevant specialties.