(Medical Xpress) -- The use of birdsong and the sound of running water to aid sleep has been used for more than five hundred years, according to researchers at Royal Holloway, University of London.
Researchers at the University of East Anglia (UEA) have discovered unexpectedly large genetic differences between two similar species of the pathogenic Cryptosporidium parasite.
Some 3,000 cases of typhoid have been reported in Zimbabwe's capital of Harare since the first case was detected in a working-class suburb in January, state media reported on Sunday.
At least 90 people were admitted to hospital and over 600 affected in a typhoid outbreak in the Zimbabwean capital Harare, a health official said on Tuesday.
At least seven children have died from a suspected diarrhoea outbreak which has affected over 6,000 children in two towns in Zimbabwe over the past week, a state newspaper said Sunday.