Gardeners are being advised to handle garden compost with care after four confirmed cases of Legionnaires Disease in Canterbury, New Zealand.
New Zealand has now had fifteen known instances of Legionella in the last twelve months.
A further case in Thailand has killed a man, although it is believed to be a different strain.
Medical Officer of Health for Canterbury Ramon Pink says the cases are a timely reminder of the dangers of inhaling dust from potting mix and handling it.
"Bags should be carefully opened in a well ventilated area, preferably outdoors, and away from the face. Dampening down the mix with gentle watering is advised.
"Also make sure that you always wash your hands after handling potting mix and doing any gardening."
Handling warnings are printed on most bags of potting mix, he says.
Anyone with symptoms who had been handling potting mix or compost recently should contact their doctor.
Risk factors include being older than 50, smoking and having a long term illness.
In 2008, nationally, there were 76 cases notified, including four deaths.
Website: TVNZ
For advice on Legionnaires' Disease - Legionella pneumophila including symptoms and treatment - HSE.

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