This study was supported by grants from the National Natural Science Foundation of China (No. 81671635 and No. 31240084);Natural Science Foundation of Hebei Province (No.H2016206473).
Respiratory syncytial virus (RSV) infection is the primary cause of respiratory disease in infants. The formalin-inactivated RSV (FI-RSV) vaccine resulted in an enhanced respiratory disease (ERD) in infants upon natur...
Poliomyelitis is an acute paralytic disease caused by three poliovirus(PV)serotypes.Less than 1%of PV infections result in acute flaccid paralysis.The disease was controlled using the formalin-inactivated Salk polio v...