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Flu or influenza is a viral infection that attacks the respiratory system (a system consisting of the nose, throat, and lungs). Common cold symptoms include fever, headache, cough, aches, decreased appetite, and sore throat.
The incubation period of flu virus including short. You will experience symptoms only within one to three weeks after you first become infected. The period in which the most contagious flu is on a day when symptoms begin to appear for the next three or seven days.
From the latest research at this time, flu can occur due to exposure to flu breath. it is like that conveyed by researchers from the health environment of University Maryland.
"We found that flu cases contaminate the air around them with infectious viruses just by breathing, without coughing or sneezing," Donald Milton, professor of environmental health at the University of Maryland School of Public Health and lead author of the study, said in a statement. "People with the flu produce infectious aerosols (tiny droplets that stop in the air for a long time) even when they do not cough, and especially in the first days of illness, so when someone comes down with influenza, they have to go home. not staying at work and infecting others. "You really have a doctor's permission to go home if you have the flu.
Watch Out!The Flu Can Be Spread Just by Breathing
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