Aerztezeitung.de is reporting that four more cases of enterohaemorrhagic Escherichia coli (EHEC) have emerged in Hamburg, Germany, following the death of a 6-year-old girl last week.

An 11-year-old boy and a 3-year-old kindergartner tested positive earlier this week, and two women aged between 68 and 88 years were earlier diagnosed with EHEC. Tests have identified the strain as E. coli O157.