Lapses in hospital infection control measures exacerbated an outbreak of a deadly new viral disease which has infected more than 60 people and killed at least 10 in the United Arab Emirates, health investigators said on Friday. Reporting the findings of a five-day mission to the UAE, experts from the World Health Organisation said, however, that they found no evidence of sustained human-to-human transmission of new Middle East Respiratory Syndrome coronavirus (MERS-CoV). "The recent upsurge of cases in Abu Dhabi appears to have been caused by a combination of factors, including a breach in infection prevention and control measures in health care settings, active surveillance and increase in community acquired cases," they said in a statement. First reported in humans in 2012, MERS causes severe and often fatal respiratory illness, with symptoms similar to those seen during the outbreak of severe acute respiratory syndrome (SARS) in 2003. Its around 40 percent death rate