Assertion: seasonal influenza | /r/Synonym | the flu
Facets:
Source sentences:
text: Seasonal influenza, also known as the flu, is an illness that causes fever, headache, tiredness, cough, sore throat, nasal congestion and body aches.
text: While seasonal influenza (flu) viruses are detected year-round in the United States, flu viruses are most common during the fall and winter.
text: Seasonal influenza, also known as the flu, is an illness that causes fever, headache, tiredness, cough, sore throat, nasal congestion and body aches.