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- Dictionaryphlegm/flɛm/
noun
- 1. the thick viscous substance secreted by the mucous membranes of the respiratory passages, especially when produced in excessive quantities during a cold. Similar
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15 hours ago · Influenza, commonly known as " the flu " or just " flu ", is an infectious disease caused by influenza viruses. Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue. These symptoms begin one to four (typically two) days after exposure to the virus and last for about ...
15 hours ago · Particulates or atmospheric particulate matter (see below for other names) are microscopic particles of solid or liquid matter suspended in the air.The term aerosol commonly refers to the particulate/air mixture, as opposed to the particulate matter alone.
