Which vaccines will curb the Ebola outbreak? WHO debates
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By
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O. Rose Broderick
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May 29, 2026
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Objective:
To discuss potential vaccines and therapeutics for the Bundibugyo Ebola outbreak.
Key Findings:
- No approved vaccines or therapeutics exist for the Bundibugyo species of Ebola.
- Gilead's remdesivir and two monoclonal antibodies (MBP134 and Maftivimab) were prioritized for testing.
- Testing of Gilead's obeldesivir is also recommended to prevent disease development in exposed individuals.
- Merck's Ervebo vaccine may offer cross-protection but should only be used in clinical trials.
Interpretation:
The WHO's recommendations highlight the urgent need for clinical trials to evaluate potential treatments and vaccines for the current Ebola outbreak.
Limitations:
- Bundibugyo-specific vaccines are not currently available and will take months to develop.
- The effectiveness of existing vaccines against Bundibugyo is not established.
Conclusion:
The WHO is actively seeking to identify and test potential vaccines and therapeutics to address the ongoing Ebola outbreak.