An unprecedented lung virus that has infected over 1000 children across 10 states from the Midwest to the east coast is likely to spread to the rest of the country, doctors have warned. Hospitals have reported unusually high numbers of children being admitted - some into intensive care - with the same viral symptoms, which usually start as a common cold before developing into severe respiratory distress. Experts have not yet been able to officially identity the virus, however some cases have tested positive to Enterovirus D68 or EV-D68, a rare respiratory virus that typically causes asthma-like symptoms. Suspected outbreaks...