China is a large country with hepatitis B, and the prevalence of hepatitis B surface antigen (HBSAG) in the population in 2016 was 61%, 86 million people with chronic hepatitis B infection. In medical treatment, work, study, Xi or daily life, it is inevitable that they will come into contact with people infected with hepatitis B, and even some people will be accidentally exposed to the blood and body fluids of people infected with hepatitis B
First of all, if there is a wound, gently squeeze around the wound, and if there is bleeding, the blood in the wound will be discharged (no bleeding does not need to be forced), and then the wound should be rinsed with isotonic saline or water, and then disinfected with disinfectant;
Second, hepatitis B five items and hepatitis B virus quantification (HBV DNA) are tested immediately after the wound has been treated as described above, or in people who have unprotected sexual contact. If you have not been vaccinated against hepatitis B, or if you have received hepatitis B vaccine but have received anti-HBS < 10 miu ml or the level of anti-HBS is unknown, you should be injected with hepatitis B immune globulin (HBig) 200 400IU immediately and receive three doses of hepatitis B vaccine according to the scheduleAnti-HBS 10 miu ml, generally protective, do not need the above treatment.
At present, with the expansion of antiviral indications for hepatitis B, many patients with chronic hepatitis B infection have little or undetectable hepatitis B virus in their blood, and even some of them have been clinically **, and the infectivity has been greatly weakened or not infectious.
In reality, there are also cases of HBsAg and anti-HBS at the same time, which requires further consultation with a professional doctor or outpatient visit.