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In summer, temperature and humidity persist, and various viruses, bacteria and fungi are likely to reproduce. The excessive use of air conditioning causes colds in the summer and exacerbates the symptoms of allergic rhinitis such as allergic rhinitis and asthma.
Growth of legionellosis in cooling water
Pneumonia in children and the elderly
Trend every summer
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If you do not do ventilation during the use of air conditioner
Do not ventilate with moisture
■ Legionnaire Infectious Infection
In the summer, causing the deterioration of the quality of indoor air.
A typical lung condition badociated with air conditioner in summer is Legionella infection, which is caused by exposure to harmful substances and pathogens contained in indoor air,.
A type of Legionella is a disease caused by the transmission of Legionella that spreads in the cooling air through an air conditioner, which is highly contagious and spreads rapidly through an air conditioner. And the Pontiac column, in which only systemic symptoms, such as body aches, are ostensibly displayed. Legionnaires' disease usually occurs in the age group of 50 years or less, and after an incubation period of 2 to 10 days, symptoms such as a general weakness, headache muscle pain and loss of appetite appear.
According to statistics from the National Health Insurance Agency, pneumonia increased by 14.6% over three years from 2013 to 2016, but the number of pneumonias increased by more than 12% in summer (July to August).
Legionella pneumonia is a form of water droplet that is present in contaminated water such as air conditioners, showers and decorative fountains. It is a disease that is inhaled into the body and spreads. The use of air conditioners tends to increase in June and August. Patients with Legionnaires' Disease presented 20 to 30 patients a year, but they had increased to 45 in 2015 and 128 patients last year, three times more than in 2015.
In order to prevent Legionella pneumonia, it is very important to clean the air conditioner filter and coolant periodically and cleanly so as not to expose them to bacteria, such as complete disinfection.
. The incubation period is about 36 hours and symptoms such as fever, headache and muscle aches last from 2 to 5 days.
■ Exacerbation of chronic respiratory diseases such as rhinitis
In summer, when humidity increases, mites, pollen and mold spores proliferate and bronchial asthma and Symptoms of patients with allergic rhinitis worsen. The excessive use of air conditioners and the deterioration of indoor air quality are the same.
Asthmatics who are outdoors at high temperatures in the summer may experience symptoms of breathing and coughing through exposure to ozone. It is known that exposure to high concentrations of ozone for a short period causes worsening symptoms of asthmatic patients, resulting in an increase in the number of cases of transfer or hospitalization to the patient. Urgency
. The respiratory mucosa becomes dry. This can result in a variety of respiratory symptoms.
To prevent respiratory illnesses in the summer, be careful not to let the cold air conditioner directly touch your body, and prepare a long-sleeved dress to wear in a cold room. It is also useful to ventilate indoor and outdoor air by opening the window for a while (at least once every 2 hours).
Park Hye-kyung, Professor of Respiratory Allergy Medicine at Pusan National University Hospital, said, "It is important to make handwashing more common after discharge, it is possible to prevent respiratory diseases in the summer by preventing the growth of various bacteria and fungi on a regular basis. "
Choi, Journalist Jee-heon [email protected]
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