treatment of Cambridge is due to give birth at St Mary 's hospital , London . A surgical procedure has been closed after patients develop mutant superbug . Bacteria , however , can cause potentially - fatal infections in blood and urine .
Duchess of Cambridge is due to give birth at St Mary 's Hospital , London . A surgical unit has been closed after patients contracted mutant superbug . Bacteria , CPE , can cause potentially-fatal infections in blood and urine .