WHO supports use of Janssen’s vaccine as a booster dose

  • The organization has recommended that it can be used for reinforcement in people with the same injection as for different ones

  • The dose should be administered between two and six months after the primary vaccination.

The Strategic Consultative Group of Experts on Immunization (SAGE) of the World Health Organization (WHO) has approved the use of Janssen’s covid-19 vaccine as a booster dose in people of 18 years or older.

Specifically, WHO technicians recommend that the booster vaccine given between two and six months after primary vaccination. Thus, SAGE advises WHO on global vaccination and immunization policies, and its recommendations provide guidance on the use of vaccines delivered through the COVAX Mechanism.

Compatible with other doses

SAGE has recommended that the Janssen vaccine can be used for reinforcement in people who previously received this same dose as for those who a different one was administered to them.

“The recommendation is further confirmation that the Janssen vaccine can help reduce the burden of the pandemic. Our vaccine continues to play a critical role in the global fight to end this pandemic, and we welcome this recommendation as we work with the world community to protect as many people as possible from COVID-19, “said Janssen Global Director of Research and Development, Mathai Mammen.

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The tentative recommendation The SAGE is based on efficacy, safety, and immunogenicity data from the company’s clinical trials and the Sisonke Phase 3b study sponsored by the South African Medical Device Regulatory Authority.

When given as a booster dose, after primary vaccination with Janssen’s vaccine, this dose provided a increased protection against symptomatic infection and serious illness, and in general it was well tolerated.


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