seven-day fever
nounUK /ˌsevən deɪ ˈfiːvə/
US /ˌsevən deɪ ˈfiːvər/
A sickness that gives you a fever for about a week.
The doctor said it was just seven-day fever and that he would feel better soon.
OTHER MEANINGS
2. A viral illness spread by sandflies that causes fever, headache, and muscle aches lasting several days.
Travelers to the Mediterranean sometimes catch seven-day fever from sandfly bites.
3. Dengue, a mosquito-borne disease with high fever and severe joint pain that can last about a week.
In tropical regions, seven-day fever is another name people use for dengue.
4. Any febrile illness whose fever typically resolves within one week.
The nurse noted the pattern of seven-day fever and told the patient to rest and drink fluids.