Deadly meningococcal outbreaks could recur without warning, British scientists warn

LONDON, Sept. 22 (Xinhua) -- British scientists have identified genetic changes that may explain the severity of a deadly meningococcal disease outbreak in southern England earlier this year, warning that similar outbreaks could emerge suddenly and unpredictably. The outbreak, linked to a nightclub in Canterbury in March, saw 21 people diagnosed with invasive meningococcal disease within a week. All required hos