Some people are at an increased risk of developing listeriosis, including: those over 60 years of age; pregnant women and their unborn babies; babies less than one month old and people with a weakened their immune system, such as those with HIV or on medication such as chemotherapy.
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Tony Kim, who taught accounting at Pyongyang University of Science and Technology, was detained as he tried to leave the country.
Southern England will start dry and bright, and sunnier, colder weather will arrive in the north later in the day.
Drivers caught speeding excessively can now expect fines starting from 150% of their weekly income.