In the UK 164 people have died of variant CJD, which originally came from cows infected with BSE, and all cases to date shared the same version of the prion gene (MM). A new case has a different varian tof the gene (MV). Estimates are that up to 350 people could be affected in this new wave.
Researchers have have discovered a distinctive chemical signature for placental and cerebral malaria which kill hundreds of thousands of young children a year, giving the option of earlier,or more intense treatment in those who need it.
Scientists say the power of copper to fight germs lies in the fact that copper ions separate on contact with bacteria and cause irreversible damage to the bacteria's cells.