The phrase "after the initial fever" is correct and usable in written English.
It can be used to refer to a period or events that occur following the first occurrence of fever, often in a medical or health-related context.
Example: "After the initial fever, the patient began to show signs of recovery."
Alternatives: "following the initial fever" or "subsequent to the initial fever".
The initial fever had subsided four days after I was admitted, and then suddenly it showed up again.
Though more than 20 years has passed after the initial study, fever phobia still exists in the United States as well as in the other countries [ 10– 16].
The patient with suspected pulmonary embolism was admitted 50 days after the initial suspicion with fever and pleuritic chest pain.
Approximately 50% of patients also report the development of a diffuse macular or maculopapular rash, which starts on the trunk and spreads peripherally (sparing the palms and soles) nearly 1 week after the initial onset of fever and can last from 1 to 4 days.
Yet the virus' presence often remains undetectable by traditional immunoassay until after the initial symptoms of a fever, sore throat, headaches and muscle pain have already set in, anywhere from two to 21 days post-infection, by which time the disease can be spread to others and spur an epidemic.
Patients diagnosed with malaria, dengue fever, and typhoid fever, after the initial assessment based on blood smear, blood culture, or strong clinical suspicion, were not enrolled.
The pain was accompanied by an initial fever and was most severe after periods of prolonged rest.
Parts 1 and 2 of the program, which had their premiere last week and are being rebroadcast on Friday afternoon, recounted how the fever spread rapidly after the initial discovery of gold in the American River in January 1848.
Four months after treatment (9 months after the initial episode), the patient experienced the abrupt onset of fever, chills, and dark urine.
A contact (telephonic advice or consultation) occurring within the same fever episode, within 7 days after the initial contact, was considered a reconsultation.
