Doctors identified a carotid web in her neck - a rare shelf-like structure that can interrupt blood flow to the brain - as the cause and, in August, they performed surgery to remove it.

Another of Tudor's victims, who does not want to be identified, said she was "shocked and disappointed" to hear his tenure as area dean was twice renewed during Mr Cottrell's time as Bishop of Chelmsford.

None of the victims have been identified yet.

Two sources familiar with the investigation identified Wang as Individual 1.

There have also been a number of infections identified in pet cats in California, including three announced on Wednesday.