1, the main transmission route of infectious diseases
(1) Airborne transmission: When patients talk, cough and sneeze, they spray mucus and droplets into the air and dust, which are inhaled by susceptible people, causing diseases, mainly in the respiratory tract, such as measles, diphtheria and whooping cough.
(2) Yongyuan, food-borne: common in intestinal infectious diseases. Contaminated water sources and Russian food cause infectious diseases, such as cholera, typhoid (paratyphoid) and bacillary dysentery; Food itself has pathogens, which make people sick, such as anthrax and taeniasis; Contact with water contaminated by pathogens can lead to infectious diseases, such as schistosomiasis and leptospirosis.
(3) Contact transmission: it can spread both intestinal infectious diseases and respiratory infectious diseases. Infectious diseases, such as rabies, are caused by direct contact between people and the source of infection. People are exposed to vomit, feces or contaminated hands, utensils and toys from infectious sources such as polio and diphtheria.
2, the main preventive measures
(1) Zhi Zhi learns and understands the basic knowledge of common infectious diseases in winter, grasps the knowledge of disease prevention, and establishes the awareness of disease prevention.
(2) In case of climate change, mourning will be increased or decreased when electricity is used to avoid turtles catching cold. When the human body catches cold, the blood vessels in the respiratory tract contract, the circulation of tissue fluid decreases, the local resistance decreases, and the virus is easy to invade.
(3) Purify the environment and keep the indoor air fresh. Work, study and living environment should be ventilated, and offices, classrooms and dormitories should be ventilated with windows. Shao Li should open the window for ventilation 2-3 times a year for more than 30 minutes each time.
Expand knowledge:
Health is a person's first wealth, and only health can lead a happy life, and hygiene is the premise of health. Hygiene refers to the general name of personal and collective life hygiene and production hygiene, and health refers to a person's good physical, mental and social conditions.
In order to commemorate the adoption day of the organization's charter, the World Health Organization was formally established at the first World Health Assembly held in Geneva in June 1948, and decided to designate April 7th as World Health Day every year, and various countries launched various commemorative activities.
The theme of 2022 is "Our Earth, Our Health", which aims to draw the world's attention to the urgent actions needed to maintain the health of human beings and the earth, and create a society that pays attention to well-being through positive actions. 2022 is also the 70th anniversary of China Patriotic Health Campaign. The National Health and Wellness Committee has designated the theme of World Health Day in China as "Healthy Family, Healthy China".
1946 On July 22nd, the United Nations Economic and Social Council held the first International Health Assembly in new york. Representatives of more than 60 countries signed the Charter of the World Health Organization, which came into effect on April 7, 1948. To commemorate the adoption day of the organization's charter, the World Health Organization was formally established at the first United Nations World Health Assembly held in Geneva in June 1948, and decided to designate July 22nd as World Health Day every year, encouraging countries to hold various commemorative activities.
The following year, the Second World Health Assembly decided from 1950 that April 7th would be the global "World Health Day". Considering that schools in most countries have summer holidays in July every year, they cannot participate in this celebration. Since 1950, the World Health Organization has chosen a theme for World Health Day every year, highlighting the key areas of concern of WHO.