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Influenza, commonly known as the 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 two to eight days.
At baseline, the flu—which is also known as influenza—is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs, per the CDC.
Flu season is an annually recurring time period characterized by the prevalence of an outbreak of influenza (flu). The season occurs during the cold half of the year in each hemisphere . It takes approximately two days to show symptoms.
COVID-19 often shares a lot of the same symptoms as influenza, including stuffy or runny nose, sore throat, cough, muscle aches, fatigue and fever or chills. But unlike the flu, COVID symptoms can ...
Influenza-like illness is a nonspecific respiratory illness characterized by fever, fatigue, cough, and other symptoms that stop within a few days. Most cases of ILI are caused not by influenza but by other viruses (e.g., rhinoviruses, coronaviruses, human respiratory syncytial virus, adenoviruses, and human parainfluenza viruses).
Matthew Marchal, MD, a family practice physician and advisor for BlissTrax, echoes this, saying that fever and all-over body aches are the two most common flu symptoms he is seeing as well. Other ...
Man flu. 'Man flu' is a colloquial term referring to the perception that men experience more severe symptoms when afflicted with the common cold or flu-like illnesses. Primarily British, it is frequently used in a self-deprecating manner. [1] This term has sparked both public interest and scientific inquiry into potential sex differences in the ...
The positive test showed "a low-level detection of the virus," meaning the child was not likely infectious to others, state officials reported. ... Bird flu is a disease caused by a family of flu ...