A vaccine to prevent travellers from tummy trouble has produced promising results in trials. The vaccine, taken as a drink, is designed to protect against the most common cause of diarrhoea - the bacterium enterotoxigenic E coli.
A vaccine to prevent travellers from tummy trouble has produced promising results in trials. The vaccine, taken as a drink, is designed to protect against the most common cause of diarrhoea - the bacterium enterotoxigenic E coli.
