They identify a hot spot on the virus where mutations in the genome occurred.
Health
Health and lifestyle stories from the Portland Press Herald.
Supreme Court ruling boosts hospital stocks
The decision upholding a key portion of President Obama’s health care overhaul eliminates the prospect of a sudden influx of uninsured patients seeking care.
Of Americans with HIV virus, 13 percent don’t know it
Health leaders want to lower the number of the undiagnosed to 10 percent, a goal that Maine may have reached.
‘This was a good day for America,’ Obama says of wins on trade, health insurance
The president is shaping his legacy with the help of unlikely allies in Congress and the Supreme Court.
Other legal challenges to health overhaul remain
At least four issues related to the Affordable Care Act still are being sorted out in the courts.
Supreme Court ruling preserves Obamacare subsidies
The Supreme Court gives the Obama administration its second big health care win in a 6-3 ruling that upholds subsidies for health insurance.
Advice on meningitis B vaccine falls short of proponents’ hopes
Parents of young victims had pushed for a broader recommendation.
See the story of Brandon Anthony
The teenager from northern Maine suffered a stroke after a car accident, then went to Maine Medical Center for treatment.
Doctor at Maine Med plumbs the brain to combat effects of stroke
New studies, including one involving the Portland hospital, prove the effectiveness of a surgical device that removes blood clots from the brains of stroke victims.
Some expensive cancer drugs get low scores from doctors
U.S. oncologists aim to distill a single ‘net health benefit’ from complex statistics.