live-attenuated vaccine

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Infectious Diseasesimmunogenicitylive-attenuated vaccine

Breakthrough in Enteric Fever Prevention: Efficacy and Safety of the Novel Salmonella Paratyphi A Vaccine CVD 1902

By MedXY|Oct 31, 2025

A novel live attenuated oral vaccine, CVD 1902, shows 73% efficacy against Salmonella Paratyphi A infection in a controlled human challenge model, offering promising protection with a favorable safety profile.

Pediatricsimmunogenicityinfants

Promising Immunogenicity and Safety of the Live-Attenuated Intranasal RSV Vaccine in Infants and Toddlers

By MedXY|Oct 5, 2025

This phase I/II trial demonstrates that the live-attenuated intranasal RSV vaccine (RSVt) is immunogenic and well-tolerated in infants and toddlers, offering a potential new preventive option against RSV infection.