Is there a vaccine for adenovirus?
The adenovirus vaccines being tested include formaldehyde inactivated vaccines, live attenuated vaccines and adenovirus capsid subunit (DNA) vaccines. However, the safety issues of these adenovirus vaccines have not been completely resolved, so there is currently no adenovirus vaccine available for the general population.
Even a person who has had adenovirus infection, because there are many types of adenovirus, there is no cross-immunity between different types, so this person has no immunity to other types of adenovirus, and other adenoviruses will still occur. Infection.
Adenovirus is mainly transmitted through the respiratory tract and gastrointestinal tract. The following measures are common measures to prevent its transmission.
1. Disinfection of the surface of the indoor environment. Use available chlorine from 1000 mg/L to 2000 mg/L. Disinfectant solution or 2000 mg, liters of peracetic acid disinfectant solution for spray disinfection, the dosage is 200 ml/m² ~ 300 ml/m².
2. Disinfection of tableware. The tableware used by the patient is boiled and disinfected for 15 minutes, or soaked in a disinfectant containing 250 mg/L of available chlorine for 30 minutes to 60 minutes, and then washed with water.
3. Drinking water. The drinking water should meet the requirements of GB-5749 after disinfection.
4. Disinfection of furniture, toys, washbasins and other daily necessities. It can be used for immersion, spraying or scrubbing disinfection with 2000 mg/L~5000 mg/L peroxyacetic acid solution or available chlorine 1000 mg/L~2000 mg/L chlorine-containing disinfectant.
5. Should try to avoid shaking hands and hugging during the popular season. Public places should regularly clean and disinfect the surfaces of objects such as activity rooms, dormitories, classrooms, door handles, stair handrails, and desktops. Medical institutions at all levels should strengthen pre-inspection and triage, and set up special consultation rooms (desks) to receive fever and rash cases; the frequency of cleaning and disinfection in waiting and visiting areas should be increased, and wet cleaning methods should be adopted for indoor cleaning.
6. Disinfection of hands, skin and mucous membranes. It can be disinfected with iodophor and 3% hydrogen peroxide disinfectant.
7. Disinfection of excreta and secretions. All garbage generated by patients should be disinfected or incinerated as medical waste. The patient’s excreta and secretions should be collected in a special container. Use a disinfectant containing 20,000 mg/l of available chlorine to soak and disinfect for 2 hours at a ratio of feces to medicine at a ratio of 1:2; if there is a large amount of diluted excrement, use 70 available chlorine. %~80% bleaching powder refined dry powder, add the medicine according to the ratio of feces to medicine 20:1, stir thoroughly, and disinfect for 2 hours.
8. Improve resistance. Avoid excessive fatigue and exhaustion, avoid staying up late and alcoholism. Drink plenty of water, eat more fresh fruits and vegetables, and exercise more in your daily life. This can increase your resistance and reduce the occurrence of adenovirus infections.
Preventive measures against respiratory transmission routes
Patients who have developed adenovirus respiratory tract infections are particularly likely to transmit adenovirus through droplets such as coughing or sneezing. Therefore, the most important preventive measure is the respiratory transmission route.
1. Human adenovirus infection can occur all year round. It is common in northern my country in winter and spring, and in southern China in spring and summer. So try to avoid going to dense public places at this time.
2. In a confined, crowded and humid environment, especially when the air is dirty and not circulating, it can often cause adenovirus outbreaks in military camps, schools, nurseries, medical institutions, etc., and special attention should be paid to indoor ventilation and indoor ventilation. The environment is clean.
3. When going out, you need to wear a disposable surgical mask, and avoid close contact with patients with adenovirus infections and hidden infections, and maintain social distance.
4. The respiratory secretions of people infected with adenovirus (including those with recessive infection), including sputum, contain adenovirus, so sputum should not be spitting anywhere. The sputum should be placed in a covered container and fully disinfected.
5. Smoking will reduce the resistance of the respiratory tract, so smoking should be quit.
Preventive measures for gastrointestinal transmission
1. Avoid eating raw food and drinking raw water. Raw and cooked food should be separated to avoid contamination. Tableware, water cups, food packaging and processing tools should be fully disinfected to avoid cross-use.
2. Try to implement a split meal system, especially not to share meals with people infected with adenovirus (including those with recessive infection).
3. Adenovirus is contained in the stool and vomit of persons infected with adenovirus (including those with recessive infection), which should be fully disinfected. In military camps, schools, kindergartens, medical institutions and other public places prone to the spread of adenovirus, toilets should be cleaned and disinfected daily. Staff should wear gloves and wash hands immediately after work.