Thu Sep 26 13:00:00 UTC 2024: ## Polio Returns to Gaza: Vaccination Campaign Aims to Stop Its Spread
**Gaza City, Palestine** – A recent polio outbreak in the Gaza Strip, the first in 25 years, has triggered an urgent international vaccination campaign to prevent further spread. The campaign, which began in mid-September, aims to vaccinate nearly 560,000 children under 10 years old with two doses of the polio vaccine, a crucial step to achieve herd immunity and stop the virus’s spread.
The outbreak, confirmed in August when a 10-month-old baby was paralyzed by poliovirus, was attributed to a combination of factors including the war’s disruption of the region’s healthcare system, inadequate sanitation, and the circulation of a vaccine-derived strain of poliovirus.
Prior to the war, Gaza had a high vaccination coverage rate of 99%, but the conflict has crippled the region’s healthcare infrastructure, leaving many children vulnerable to preventable diseases. The outbreak has also raised concerns about the effectiveness of the global polio eradication strategy, which has faced setbacks in recent years due to the emergence of vaccine-derived polioviruses.
The current strain in Gaza is believed to have originated in Egypt, where a similar vaccine-derived virus was detected. This highlights the global nature of the threat, as even regions previously considered polio-free can be vulnerable to outbreaks.
The vaccination campaign in Gaza faces significant challenges, including ongoing violence and displacement of residents. However, health officials are optimistic about achieving their target of 90% vaccination coverage, crucial to halting the spread of the virus.
“If we’re not successful everywhere, then children are not safe anywhere,” emphasized Roland W. Sutter, a retired epidemiologist from the Global Polio Eradication Initiative (GPEI).
This outbreak has reignited the debate about the best approach to polio eradication, with some experts calling for a return to the use of the trivalent oral poliovirus vaccine (OPV), which offers broader protection but carries the risk of vaccine-derived cases. Others propose combining OPV with the newer nOPV2 vaccine, which has been specifically designed to reduce the risk of mutation.
The success of the vaccination campaign in Gaza will be crucial not only for the children of the region, but also for the global effort to eradicate polio. However, the ongoing conflict and its impact on the health system highlight the need for a broader approach that addresses the underlying factors that contribute to the reemergence of polio and other preventable diseases.
First Piper 