What is Flu?
Influenza is an infection of the nose, throat and lungs. Flu is part of the respiratory system. Influenza also called the flu, but be noted that it’s not the same stomach “flu” virus that causes diarrhea and vomiting.
How long does the Influenza (flu)last?
When you are infected by flu,thesyptom may appear at about 1-3 days. 1 week after patient will fee better. A lingering cough and still feel very tired for a further couple of weeks if you are infected by Flu.
How do u know if u got the flu?
Your respiratory illness might be influenza (flu) if you have fever, cough, sore throat, runny or stuffy nose, body aches, headache, chills and/or fatigue. Some people may have vomiting and diarrhea, though this is more common in children. People may be sick with flu and have respiratory symptoms without a fever.

Now we have SARS-CoV-2 Antigen rapid test and Flu A B combo rapid test kit.Welcome to inquiry if you have interest.