Hepatitis A virus strain, method for preparing hepatitis A inactivated vaccine and obtained vaccine
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- YUXI WALVAX BIOTECH CO LTD
- Publication Date
- 2003-09-24
- Estimated Expiration
- Not applicable · inactive patent
Abstract
Description
technical field
[0001] The invention relates to a novel hepatitis A virus strain, a method for preparing an inactivated hepatitis A vaccine by using it, and the vaccine prepared by the method. The invention particularly relates to a method for preparing an inactivated hepatitis A vaccine using Vero cells and the vaccine prepared by the method. The invention also relates to a breeding method for hepatitis A virus strains. Background technique
[0002] Hepatitis A is an acute intestinal infectious disease caused by hepatitis A virus infecting the human body. Hepatitis A is one of the six viral hepatitis that has been found to seriously affect human health, and has the highest infection rate. my country is a high prevalence area of hepatitis A, and there are epidemics or outbreaks every year. In the spring of 1988, a hepatitis A pandemic broke out in Shanghai, and nearly 300,000 people were infected, causing serious social impact and huge economic losses. There is no effe...