The US Food and Drug Administration approved AIM Vaccine's (HKG:6660) clinical trial for its mRNA respiratory syncytial virus vaccine, according to a Wednesday filing with the Hong Kong exchange.
Animal tests showed the drug's virus-neutralizing potency and T-cell immunity were higher than those of its peers, the filing said.
Respiratory syncytial virus causes deaths in infants under one year old and also affects elderly patients, according to the company.
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