What's happened
Vaccine stocks have increased to nearly 70 million doses, enabling the restart of preventive campaigns in Mozambique and other countries. The move aims to curb ongoing outbreaks, with initial doses allocated to Mozambique, Congo, and Bangladesh amid a surge in cholera cases since 2021.
What's behind the headline?
The restoration of vaccine supplies marks a significant shift in cholera control. The previous reliance on reactive vaccination was driven by shortages, which limited preventive efforts and allowed outbreaks to spread. Now, with nearly 70 million doses available, health authorities can implement preemptive campaigns, especially in high-risk areas like Mozambique, which was hit hard by recent floods. However, vaccine deployment must be complemented by investments in water, sanitation, and hygiene infrastructure to achieve long-term control. The continued use of a one-dose strategy for outbreak response reflects the need to maximize limited supplies, but this approach may reduce long-term immunity. The global response underscores the importance of sustained investment and collaboration among manufacturers, governments, and international agencies to prevent future shortages and outbreaks.
What the papers say
All Africa reports that vaccine supply has increased, enabling preventive campaigns after a three-year shortage caused by demand surges. The article highlights Mozambique's recent vaccination efforts amid ongoing cholera outbreaks and floods. AP News emphasizes the improved stockpile of nearly 70 million doses managed by WHO, GAVI, and UNICEF, and discusses the shift from reactive to preventive vaccination strategies. The Independent echoes these points, noting the global surge in cases since 2021, climate change's role, and the importance of infrastructure investments alongside vaccination. All sources agree that the recent increase in vaccine availability is a crucial step toward better cholera control, but long-term solutions remain essential.
How we got here
Global cholera cases surged starting in 2021, driven by climate change, conflict, and poverty, which disrupted water and sanitation infrastructure. The 2022 vaccine shortage led to reactive rather than preventive use of vaccines. Recent efforts have expanded production capacity and improved stockpiles, allowing for a shift back to preventive vaccination strategies.
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Common question
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Why Did the WHO Restart Cholera Vaccinations After 4 Years?
The World Health Organization has resumed cholera vaccination campaigns after nearly four years of suspension. This move comes amid rising cases and a global effort to control outbreaks. Curious about what caused the halt, what prompted the restart, and how effective the vaccines are? Below, we answer the most common questions about this significant shift in cholera control strategies.
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