James Crowe
Faculty Member
Last active: 3/31/2019

Immune responses of infants to infection with respiratory viruses and live attenuated respiratory virus candidate vaccines.

Crowe JE
Vaccine. 1998 16 (14-15): 1423-32

PMID: 9711783 · DOI:10.1016/s0264-410x(98)00103-0

Respiratory viruses such as respiratory syncytial virus (RSV), the parainfluenza viruses (PIV), and the influenza viruses cause severe lower respiratory tract diseases in infants and children throughout the world. Experimental live attenuated vaccines for each of these viruses are being developed for intranasal administration in the first weeks or months of life. A variety of promising RSV, PIV-3, and influenza virus vaccine strains have been developed by classical biological methods, evaluated extensively in preclinical and clinical studies, and shown to be attenuated and genetically stable. The ongoing clinical evaluation of these vaccine candidates, coupled with recent major advances in the ability to develop genetically engineered viruses with specified mutations, may allow the rapid development of respiratory virus strains that possess ideal levels of replicative capacity and genetic stability in vivo. A major remaining obstacle to successful immunization of infants against respiratory virus associated disease may be the relatively poor immune response of very young infants to primary virus infection. This paper reviews the immune correlates of protection against disease caused by these viruses, immune responses of infants to naturally-acquired infection, and immune responses of infants to experimental infection with candidate vaccine viruses.

MeSH Terms (10)

Child Humans Infant Infant, Newborn Influenza Vaccines Parainfluenza Virus 3, Human Respiratory Syncytial Virus, Human Respiratory Tract Infections Vaccines, Attenuated Viral Vaccines

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