Flu

Flu

All types of flu have similar symptoms. Although the flu and common cold have similar symptoms, the flu tends to be more severe.

Flu can be various types :

Seasonal fluViral flu like H7N9 flu, H3N2v flu, H1N1 swine flu, H5N1 bird flu etc.Cold flu
The flu and the common cold have similar symptoms. It can be difficult to tell the difference between them. In general, the flu is worse than the common cold. Symptoms such as fever, body aches, tiredness, and cough are more common and intense with the flu. People with colds are more likely to have a runny or stuffy nose.Symptoms:

Flu symptoms include:

A 100oF or higher fever or feeling feverish (not everyone with the flu has a fever)A cough and/or sore throatA runny or stuffy noseHeadaches and/or body achesChillsFatigueNausea, vomiting, and/or diarrhea (most common in children)Seek medical attention immediately if you experience any of the following:
Difficulty breathing or shortness of breathPurple or blue discoloration of the lipsPain or pressure in the chest or abdomenSudden dizzinessConfusionSevere or persistent vomitingSeizuresFlu-like symptoms that improve but then return with fever and worse cough