Model Answer

GS3

Science & Technology

10 marks

Neglected Tropical Diseases (NTDs) expose the deep inequities in global healthcare governance and vaccine research.
In the light of the recent Bundibugyo ebolavirus outbreak, discuss the challenges in vaccine development for NTDs and examine the measures needed to strengthen global health preparedness.

Neglected Tropical Diseases (NTDs) reflect the structural inequalities present in global healthcare systems. Diseases such as the recent Bundibugyo ebolavirus (BDBV) outbreak in the Democratic Republic of Congo (DRC) and Uganda expose the lack of investment, weak healthcare infrastructure, and inadequate vaccine preparedness for diseases affecting poorer regions.

The outbreak has once again highlighted the urgent need for equitable global health governance and stronger research ecosystems.

Challenges in Vaccine Development for NTDs

  1. Low Commercial Incentives

NTDs primarily affect poor and marginalized populations in tropical regions. As a result:

pharmaceutical companies see limited profitability, private investment in R&D remains low.

Hence, no licensed vaccine currently exists for Bundibugyo ebolavirus.

  1. Scientific Complexity

Ebolaviruses include different species such as:

Zaire, Sudan, Bundibugyo, Taï Forest.

Immunity against one species does not ensure protection against others because of differing surface proteins. This complicates vaccine development.

  1. High Research and Manufacturing Costs

Developing vaccines requires:

BSL-4 laboratories, animal testing in non-human primates, specialized cold-chain infrastructure, regulatory approvals.

Such investments are difficult for lower-income countries.

  1. Weak Healthcare and Surveillance Systems

Poor disease surveillance and weak healthcare delivery lead to:

delayed detection, underreporting, poor outbreak response.

This reduces the effectiveness of clinical trials and public health interventions.

Measures Needed for Better Global Health Preparedness

  1. Strengthening Indigenous R&D

Regional initiatives such as the African Union’s ACHIEVE Africa programme should be expanded to build local vaccine manufacturing and scientific capacity.

  1. Increased Global Funding

International organizations and developed countries must ensure sustained funding for NTD research through public-private partnerships and advance purchase commitments.

  1. Improving Surveillance and Healthcare Systems

Countries must strengthen:

disease surveillance, laboratory networks, emergency response mechanisms, community healthcare systems. 4. Community-Centric Public Health Measures

Effective outbreak management requires:

contact tracing, safe burial practices, isolation protocols, public awareness and community engagement. Conclusion

The Bundibugyo outbreak demonstrates that global health security is only as strong as the protection available to the most vulnerable populations. Addressing NTDs requires not only scientific innovation but also equitable healthcare governance, international cooperation, and sustained investment in resilient public health systems.

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