Tel Aviv, Feb. 7 -- Israel's Health Ministry reported another malfunction in software used by many of the country's hospitals on Wednesday morning.

Hospitals using the software have been instructed to back up patients' medication lists in a manual sheet.

The software, called Chameleon, provides doctors with an overview of all the patients in a given department, along with treatment status, test results, and more. The software is used in government hospitals and hospitals belonging to Clalit, Israel's largest healthcare provider.

The Health Ministry received initial reports from one hospital about errors in patient records in mid-January. Of particular concern were patient discharge documents containing incorrect prescriptions. As the m...