11. Most false negative results are due to the window period . 12. There's this window period where we don't have that ability to monitor right now ." 13. Dengue fever, which has no vaccine, has a 10-day window period before symptoms become apparent. 14. The window period is the time from infection until a test can detect any change. 15. The data does justify relaxing the window period . 16. The average window period is now 25 days. 17. There is often a window period after initial infection during which an STI test will be negative. 18. The time between the removal of the HBsAg and the appearance of anti-HBs is called the window period . 19. He, however, dismissed suggestions of any immediate plans to increase the window period to twice or three times weekly. 20. This test has a window period where a person will be infected but not yet have an immune response.
