Dr Christian Herzog, director of medical services, Berna Biotech, Switzerland — the brain child behind the technology — told media persons that the virosome uses a biodegradable delivery system and is the most natural way of presenting antigens to the immune system of the body. They elicit high immune response keeping jaundice at bay and score well over conventional vaccines on pain parameters, he said. Currently, the vaccine is available in more than 40 countries.
The Hepatitis A virus (HAV) is quite active during rainy seasons and spreads fast in comparison to other viruses. It spreads easily in areas where there are poor sanitary conditions or where personal hygiene is not observed. The transmission is generally through the gastrointestinal route. “The first step to prevent the disease is to vaccinate the child during the second year of age,” informs Dr Herzog.
The new vaccine is being marketed in India by Chiron Panacea Vaccines, a joint venture of Novartis Vaccines (formerly Chiron) and Panacea Biotec.
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