All seven people affected had suffered adverse reactions to taking the pills but have since left hospital.
Mr Prior underwent an operation but the couple have since left hospital and returned to the ship last Thursday.
Twelve people were injured, some of whom have already left the hospital because they had only minor injuries, police said.
All of us at the hospital have been left with an overwhelming sense of sadness.
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Other victims have been released from the hospital or left it without treatment, said Borg.
Officers claim delays or a lack of availability of ambulances have left them having to take people to hospital themselves.
That's enough to have rebuilt every road, bridge, hospital, school in America, and still have money left over.
Mr Fletcher left for South Africa when the local hospital did not have a safety pin for the sling to support his dislocated shoulder.
But he warned "to take that with a grain of caution" as many of the missing may be in hospital, staying with friends or relatives, or may have left town.
"If you read the Israeli literature, the Israelis are like, 'duh, '" says Andrew Shorr, an infectious disease specialist who recently left Walter Reed for Washington Hospital Center and says the Israelis have been dealing with the bacteria in battlefield situations for a long time.
He was later taken by helicopter to a nearby Budapest hospital for further tests and was found to have an injury to his left heel as well as concussion.
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I've just left Libya but have been below the radar for almost a week after an unexpected detour to a Tripoli hospital - I'll write about that little adventure in the next day or so.
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