swine flu ,2 meters in patients with flow about 10 minutes
Posted on | September 12, 2009 | No Comments
Province CDC as research model, nearly 200 epidemic related personnel epidemiological investigation, the final results show that the main transmission channel a flu for airborne, namely “flu patients with a close, long talk, most likely to be infected.
Through dialogue, sneezing, and adhere to the surface waters are pollutants, the virus to infect healthy through respiratory tract. Recently, the findings were published American CDC priority.
▲ research results
Viruses are mainly rely on droplets spread
The main transmission way: the conversation
Last month the epidemiological data, and later, a process called “a tour influenza pandemic in sichuan H1N1 outbreak epidemiology investigation report”, and takes the papers published in the American journal of CDC.
Personnel were found in the 10 high lady infection in August, has confirmed cases, women, only two men. “This is a broad like chatting, ms high on a trip, with more women visitors had talk with men, seldom communicate.”
For example, in the air conditioning to jiuzhaigou, seal on the environment, with 16 people were high lady talk, including nine people, cancer incidence rate 56%. Without talking to people in 14 high lady constantly under the condition of cough, nearly 7 hours with the car, but none. “This shows that virus spreads mainly rely on droplets, belong to the air and respiratory infections, human gastrointestinal tract infection chance.” ZhuXiaoPing explained. At the same time, more than 10 minutes talking time, incidence is 80%. While talking to 2-9 minutes, incidence for 17%
The most dangerous transmission distances: 2 meters
3 in the plane to jiuzhaigou, ladies and daughter sat around the end of the row, only one passenger, the flight has been in bed, ladies. Therefore, do not infect surrounding passengers. During the trip, high lady in 5 bus. Then the 10 cases diagnosed with her neighbor, successively. But in the 5th flight back to chengdu, and sat in front of the woman and her daughter high two passengers are infected.
The lady to accept high gum passengers, alone for high lady explained by the guide, travel route for its high lady employment, family photos of local residents are infected. Through the investigation, the personnel conclusion: in the plane was sitting high lady 2, and relative risk than others; the 1.9 times Sitting in the car, the patient 2 lines within the risk to others, is approx.1.3 times, “whoever within 2 meters in the risk of infection, were greatly increased. Our correspondent ZouSi
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