When the season changes, the weather and air humidity change erratically, making the body unable to adapt in time. This is a favorable environment for viruses and bacteria that cause respiratory diseases to be active, so this is the time of outbreaks of many respiratory diseases, especially those with weak immune systems such as children. and the elderly.
Common respiratory diseases at the change of seasons such as colds, nasopharyngitis, pharyngitis, bronchitis, pneumonia and chronic diseases that are easy to recur such as bronchial asthma, bronchiectasis, chronic obstructive pulmonary disease calculation,... there will be exacerbations and then worsening when conditions are favorable.
* Received information and photos from a patient's family member, an 87-year-old old man infected with Covid, with 15% white lung left
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