Polio samples have been present in sewage in east London, lower than 15 kilometres from the Tower of London (pictured), lit in purple to mark World Polio Day final October.Credit…
- Monday, September 25, 2023
Polio samples have been present in sewage in east London, lower than 15 kilometres from the Tower of London (pictured), lit in purple to mark World Polio Day final October.Credit…