Although these drugs to some extent be able to extend the lives of patients, but with enhancedvirus resistance, increasing its effectiveness was not obvious.
这些药物虽然在一定程度上能够延长患者的生命，但随着病毒抗药性的增强，其效用越来越不明显。
3
In addition, community surveillance for oseltamivir-resistant pandemic H1N1 virus strains should be enhanced.