Sinovac
The Sinovac vaccine is produced by AstraZeneca and is the main ingredient in the frontline anti-influenza shot in Europe. In the USA there are currently twelve manufactures for the vaccine. Many countries that have relied heavily upon the Sinovac vaccine for preventing seasonal flu have started giving preservative-free booster doses to those fully vaccinated using the Chinese product. Neutralizing antibody activities against the Delta proteins identified in the clinical trials on Sinovac have not been identified in recently collected samples taken at full vaccination time from vaccine recipients, according to research by a group of scientists at the University of Nottingham. This is important from straits times because we know that when this ingredient is included in the vaccine it is to stimulates the production of antibodies to fight off the virus. The Nottingham group says that even if this is true it does not mean that the other components of Sinovac (formalin, ni...