Health chiefs' warning on deadly strain of superbug ; Frightening new forms of the MRSA superbug are emerging doctors warned today.

Frightening new forms of the MRSA superbug are emerging doctors warned today.

And the highly infectious new strains of the bacteria arereported to attack the immune system and can kill patients bydestroying lung tissue.

These bugs also spread through the community and are notconfined to hospitals like most MRSA strains.

Dr Marina Morgan, from the Royal Devon and Exeter Foundation NHSTrust, said: "The new community associated MRSA strains appear to bemore virulent and more easily spread between people.

"These community-associated versions have been found in peoplewith few, if any, reasons to have MRSA. Typically they haven'trecently been in hospital, …