Resurgence of Polio in UK – The Risks….
The Polio virus is back – at least in our sewage system. Does this mean we’re in for yet another another viral epidemic ? It could do, if we take no action – how then can we prevent it happening ? The reasons why polio virus has suddenly started to appear in our sewage system are not completely clear, given that no cases of active disease have been reported in UK so far. The most prevalent view amongst epidemiologists at present is that it has been imported by vaccinated individuals from areas of the world where vaccination is via the old-style oral attenuated live virus vaccine. This vaccine continues to be used in 3rd world countries because it is a) cheap and easy to administer and b) gives very good immune responses over a short period. It is the ideal rapid immunisation strategy in the few remaining areas of the world where the live virus is still endemic due to religious antipathy to vaccination (Afghanistan and Pakistan). It is also used as a rapid response t...