The International Coordinating Group (ICG) on vaccine Provision for Epidemic Meningitis Control has provided 178,000 doses of trivalentvaccine for a mass vaccination campaign.
为控制流行性脑膜炎提供疫苗国际协调小组已为大规模预防接种运动提供178,000份三价疫苗。
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The mean protection of trivalentvaccine was 94.60% in four commercial chicken strains against RB1B challenge, and was 95.65% in the MDV natural infection model experiment.
The resulting "trivalent" vaccine provokes the patient's immune system into producing antibodies, and that primes it for an attack by the worrying strains of flu.