End of September 2008 Tianyuan'.s seasonal flu vaccine "YUGANNING"was exported for the third time to Macedonia and for the second time to Guatemala. With both countries Tianyuan has established close sustainable relationships for the marketing of its Flu vaccine. The vaccine is well-known in China and abroad for is good immunogenicity and safety profile. Tianyuan can look back on 6 years of influenza vaccine production in consistent high quality.
Influenza is an infection of the respiratory tract caused by influenza virus. It involves a combination of respiratory (cough, sore throat) and constitutional (fever, headache, muscle aches) symptoms. In Children, older adults and people with a range of pre-existing medical conditions influenza infections can lead to serious and even life threatening complications.
As the circulating viruses change by mutation infections can occur repeatedly throughout life and protection by vaccination requires annual dosing with updated vaccines. Seasonal vaccination prevents influenza and reduces the impact of epidemics.
Tianyuan's influenza vaccine "YUGANNING" is an inactivated split vaccine, produced on embryonated chicken eggs. The vaccine is manufactured according to the seasonal WHO recommendation for Northern and Southern Hemisphere. The vaccine's quality level is comparable to internationally available vaccines. Tianyuan aspires to get the WHO pre-qualification status for "YUGANNING".