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The recent detection of the vaccine-derived poliovirus type 2 case in New York, USA, and isolates in several environmental samples collected in London are stark reminders that as long as polio exists anywhere, it is a threat everywhere. It also highlights the importance of vaccination as the only form of protection against polio and other vaccine-preventable diseases and the work that needs to be done in our communities to encourage the uptake of vaccines. Also, as the world gets closer to zero wild poliovirus cases, it is increasingly important to track all forms of the virus wherever they may appear, including in polio-free regions. The U.S. is still considered low risk for paralytic outbreaks of polio due to the high level of vaccine coverage across the population. If a child has received the entire course of vaccines, the risk of becoming paralyzed by polio is negligible. According to the Centers for Disease Control and Prevention, 92.6% of children aged 24 months are fully vaccinated against polio, slightly below the 95% World Health Organization target. The best things countries can do to protect themselves from polio until the disease is eradicated from the world are to: maintain high vaccination coverage and robust disease surveillance and be ready to respond in the event of an outbreak to minimize the risk and consequences of polio re-introduction or re-emergence anywhere. The time for urgent action is now. A new vaccine has been deployed – novel oral polio vaccine 2 (nOPV2) – which is more genetically stable to stop outbreaks of circulating vaccine-derived poliovirus effectively. With sustained political and financial commitments, the GPEI is confident that we can achieve a world in which no child is paralyzed by polio again. Read the full story on Rotary.org. |
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