Vaccine Overview
SARS-CoV-2 rS Protein (COVID-19) Nanoparticle Vaccine, Omicron XBB.1.5 variant
This vaccine is designed to protect against the Omicron XBB.1.5 variant of SARS-CoV-2 using recombinant spike protein nanoparticles. It elicits a strong immune response by mimicking the virus’s spike protein, often combined with an adjuvant for enhanced efficacy. Recommended for booster doses in previously vaccinated individuals, it is administered intramuscularly. This formulation targets updated virus strains to provide more effective and variant-specific protection as part of ongoing COVID-19 vaccination efforts.
Drug Class: Coronavirus Disease (COVID-19) Vaccines
Indication: Prevention of COVID-19 caused by the Omicron XBB.1.5 variant; used as an updated booster vaccine.

PREVENTS
Vaccine Details
Applied To
Adolescents, Adults
Recommended Time
Booster dose, as per latest COVID-19 guidelines
Administration
Route: Intramuscular (IM)
Site: Deltoid muscle (upper arm)
Disease
COVID-19 (Omicron variant)
Manufacturer
Serum Intitute Of India
Age
- ≥12 years (varies by country)
Disclaimer
This information is provided for educational purposes only and should not replace professional medical advice. Always consult with a healthcare professional before getting vaccinated or if you have any concerns about vaccines or side effects.
Last updated: May 2, 2025