Has already 'hit more than 1,000 children in 10 US states and the US public health officials are warning the population - at the opening of the new school year - the new threat to the health of the most' children. Known as entrovirus 68, the microorganism and 'similar all'entrovirus that causes the common cold, but unlike the latter can' evolve into events much more 'serious, in particular asthma, and difficulty' acute respiratory. "You need to be careful when patients pants, and have difficulty 'breathing space", warned the specialist hospital in Denver, Colorado, where for meta' in August arrived at the Emergency Room 900 children with symptoms characteristic of ' entrovirus. Of these patients, 86 were hospitalized and some of them ended up in intensive care units attached to oxygen. According to the Centers for Disease Control and Prevention (CDC) - which, however, have not yet identified with absolute certainty the virus responsible for the outbreak - in addition to Colorado, states where the dreaded virus would hit are: Missouri, Kansas, Illinois , Kentucky, Iowa, Ohio, Oklahoma, North Carolina and Georgia. According to some experts, the disease potra 'with a good chance' to spread nationwide Use. For now experts invite families to use health measures typical of prevention such as washing hands frequently.