Discontinuation
RECURRENCE
Clinical symptoms and signs have no improvement or aggravation compared with those before enrollment after taking the medicine for 3 days or more. That needs to switch to another treatment and stop the medication. After completing the post-treatment evaluation and related laboratory tests, this case is declared over and this patient is recorded in PPS as invalid and qualified case statistics. When the body temperature of patient returns to normal and the symptoms and signs disappear within 5 days, the drug can be stopped. Follow-up visit is conducted after 24 h. If there is no recurrence, it will be counted as a recovered case.