New York declares state of emergency after just one polio case – but is it as scary as it seems?

The headlines were alarming: ‘Highly contagious polio spreading in the UK for the first time in years’ and ‘Urgent investigations after rare virus detected’ are just a couple of examples.The headlines were alarming: ‘Highly contagious polio spreading in the UK for the first time in years’ and ‘Urgent investigations after rare virus detected’ are just a couple of examples.Read MoreHealth News | Mail Online