A virus or illness causing fever and headache: flu.
fever as in illness
Dryditch fever is an illness found in the Redwall Universe.
fever
She didn't have to feign about her illness, she really had a fever. (Meaning: She didn't have to lie about her illness, she really had a fever.)
A fever is a sign of an illness, since it can be measured objectively.
The name of that fever is 'Dengue'.
A fever is a sign of an illness, since it can be measured objectively.
spring fever
Haemorrhagic Fever
Spring Fever - 1923 I was released on: USA: 1 August 1923
Spring Fever - 1927 is rated/received certificates of: Sweden:15