01Nov 2023
An RCT of Nasal Immunization with Live Virulence Attenuated Streptococcus pneumoniae Strains Using Human Infection Challenge

An RCT of Nasal Immunization with Live Virulence Attenuated Streptococcus pneumoniae Strains Using Human Infection Challenge

This study investigated the potential of nasal administration of live attenuated Streptococcus pneumoniae (Spn) strains in preventing pneumococcal pneumonia. Healthy adults were randomized for nasal administration with wild-type Spn or genetically modified Spn strains. Results demonstrated the safety of nasal colonization with live attenuated Spn and significant protection against recolonization with wild-type Spn. The findings suggest a promising strategy for preventing pneumococcal infections through nasal administration of genetically modified live attenuated Spn strains, emphasizing their potential in enhancing protective immunity.

  • #critical care

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