https://www.cdc.gov/flu/symptoms/symptoms.htm

Flu Symptoms. Flu is different from a cold. As it usually comes on suddenly. People who are sick with flu often feel some or all of these symptoms: Fever* or ...

https://www.mayoclinic.org/diseases-conditions/flu/symptoms-causes/syc-20351719

Apr 11, 2019 ... Learn more about the symptoms, causes and prevention of this potentially fatal viral infection that attacks the respiratory system.

https://www.mayoclinic.org/diseases-conditions/flu/expert-answers/flu-symptoms/faq-20057983

Apr 25, 2019 ... Most people who have the flu (influenza) have a mild illness and don't need to see a doctor. Common flu signs and symptoms include:.

https://www.medicalnewstoday.com/articles/15107.php

Dec 20, 2017 ... This means that you can spread the influenza virus before you even know you are infected. In this article, we explain the symptoms of flu, how it ...

https://www.webmd.com/cold-and-flu/flu-guide/flu-symptoms-types

Fever, muscle aches, headaches -- all are flu symptoms. Learn about types of flu viruses (including bird flu), the symptoms, and complications in high-risk ...

https://www.lung.org/lung-health-and-diseases/lung-disease-lookup/influenza/symptoms-causes-and-risk.html

Nov 8, 2018 ... Flu symptoms often appear suddenly and can include high fever, headache, cough, chills and more. If you have chronic lung disease, you are ...

https://www.health.harvard.edu/staying-healthy/how-long-does-the-flu-last

Jan 16, 2018 ... The aches and pains, chills, fever, and cough are bad enough; add in the other potential symptoms of flu, including runny nose, vomiting, ...

https://kidshealth.org/en/teens/flu.html

Flu symptoms appear anywhere from 1 to 4 days after a person has been exposed to the virus. The main symptoms of flu are: headache; sore throat; fever; chills ...

http://www.immunize.org/catg.d/p4208.pdf

There are two basic types, A and. B, which can cause illness in humans. Their genetic material differentiates them. Influenza A can cause moderate to severe ...

https://www.southerncross.co.nz/group/medical-library/flu-symptoms-treatment-vaccination

Flu symptoms include fever, tiredness, aches and pains. ... If you develop flu symptoms you should follow basic hygiene practices to avoid spreading the disease ...