Assertion: seasonal influenza | /r/Causes | headache
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: Seasonal influenza, also known as the flu, is an illness that causes fever, headache, tiredness, cough, sore throat, nasal congestion and body aches.