The UK Health Security Agency said it believes the virus was ‘vaccine-derived’. Photo: Shutterstock
Polio back in UK after virus detected in London sewage samples
- A type of polio virus derived from vaccines has been detected in London sewage samples
- The UK’s last case of wild polio was in 1984 and the country was declared polio-free in 2003
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The UK Health Security Agency said it believes the virus was ‘vaccine-derived’. Photo: Shutterstock