A feeling of restlessness, excitement, or laziness brought on by the coming of spring.
(see wikipedia.)
An old term as evidenced by the movie names of that title in the early 1900's.
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.)
spring fever
A fever is a sign of an illness, since it can be measured objectively.
A fever is a sign of an illness, since it can be measured objectively.
The name of that fever is 'Dengue'.
Haemorrhagic Fever
Spring Fever - 1923 I was released on: USA: 1 August 1923
Spring Fever - 1927 is rated/received certificates of: Sweden:15