Two states are seeing locally acquired cases- the first spread inside the US in 20 years.
Entries by BBC News - Health
Ballot of members by Royal College of Nursing fails to reach 50% threshold for walkouts to continue.
Planning focused more on burying the dead than averting disaster, ex-health secretary says.
A US institute alleges it lost 25 years of work because a man wanted to stop "annoying" alarms.
Five patients undergo the fitting of the implant, designed to preserve the patient's own knee joint.
There will be limits on the sale of combinations of food with high levels of fat, sugar or salt.
The technology will be offered at cost price to all NHS trusts in England, following successful pilot studies.
One of the Girls Aloud singer's final wishes was to find new ways of spotting breast cancer early.
There is not yet enough evidence to justify the cost on the NHS in England, says NICE.
The inside story of the Nigerian market trader whose case exposed illegal organ removal in the UK.