Saint Alby brand has recalled batches of Label Rouge superior rindless ham sold in Lidl stores between March 21 and 25. Listeria monocytogenes can “multiply at low temperatures (4°)”, notes the Pasteur Institute.

It can easily proliferate in refrigerators and survive in freezers. The elderly, pregnant women and newborns are most at risk. The incubation period for listeriosis ranges from two days to two months.