Độ nhạy của xét nghiệm nontreponemal khác nhau với các mức độ kháng thể: 62% -76% trong giang mai chính đầu, 100% trong giang mai thứ, và 70% ở bệnh giang mai không được điều trị muộn. | Disease Screening Organization Date Population Recommendations Comments Source HEPATITIS B VIRUS INFECTION CHRONIC Hepatitis B Virus Infection Chronic AAFP CDC USPSTF 2007 2006 2004 Pregnant women Screen all women with HBsAga at their first prenatal visit. USPSTF strongly recommends screening at first prenatal visit. http online en home clinical http http clinic uspstf AAFP USPSTF 2007 2004 General asymptomatic population Recommends against routine screening for HBV. Most people who become infected as adults recover fully from HBV infection and develop protective immunity. http online en home clinical http clinic uspstf BASHH 2005 High-risk individuals13 Screen with HBsAg or If high-risk persons are non-immune consider vaccination. CDC 2006 All infants children adolescents and adults born in Asia the Pacific Islands Africa and other endemic countries Test for HBsAg. http CDC 2006 Hemodialysis patients Test for HBsAg. http aImmunoassays for HBsAg have sensitivity and specificity 98 . MMWR 1993 42 707 bMen having sex with men sex workers injection drug users HIV patients sexual assault victims people from countries where hepatitis B is common needle-stick victims sexual partners of high-risk persons. BASHH British Association for Sexual Health and HIV DISEASE SCREENING HEPATITIS B VIRUS INFECTION CHRONIC 57 Disease Screening Organization Date Population Recommendations Comments Source HEPATITIS C VIRUS INFECTION CHRONIC Hepatitis C Virus Infection Chronic AAFP USPSTF 2007 2004 General population Recommends against routine screening for HCV infection in adults who are not at increased 1. Seroconversion may take up to 3 months. 2. 15 -25 of persons with acute hepatitis C resolve their infection of the remaining 10 -20 develop cirrhosis within 20-30 years after infection and 1 -5 develop hepatocellular carcinoma. 3. .
