A senior Boko Haram commander was reportedly killed in a the fighting in Konduga town, about 22 miles southeast of Maiduguri.
The chief of the World Health Organization said Friday that health officials are unable to cope with the rising number of patients.
The Ebola outbreak death toll continues to rise and shows no signs of letting up.
The contents of the syringe are not known but the air marshal was flown back to the US where he is now under observation.
With the death toll over 2,000 and still climbing, the Ebola fight faces major shortfalls in funding, equipment and logistical capabilities.
The new U.N. human rights chief urged world powers on Monday to protect women and minorities targeted by Islamic State militants in Iraq and Syria, saying the fighters were trying to create a "house of blood.
An Oxford University professor says pharmaceutical companies could have done more before the virus broke out.
Obama told NBC's "Meet the Press" that the outbreak, which has killed 2,100 people in African five countries, was unlikely to spread to the United States in the short term.
“It is possible that she is suffering from another viral complaint," an Israeli hospital spokeswoman said.
Major gas finds in Mozambique and Tanzania in particular could spur an East African boom, if countries can overcome production challenges.
A suspension would cost Nigeria a chance to defend its title at the 2015 Africa Cup of Nations.
The Boston area man is the third American mission worker to have contracted the deadly virus while working with patients in West Africa.
More than 1,900 people have died during the current outbreak, according to the World Health Organization.
The Ebola outbreak has killed some 1,550 people in West Africa, and experts fear the virus is still spreading fast.
Chinese companies have made massive investments in some of the countries most affected by Ebola.
The Ebola crisis is only going to get worse, a spokesperson for the U.S. Centers for Disease Control and Prevention said.
The health aid volunteer had contracted the virus while helping victims in a Sierra Leone clinic and was flown to Britain 10 days ago.
At least 70 people were killed overnight when Boko Haram seized control of the key northeastern town of Bama in Borno State.
Japanese researchers at Nagasaki University claim the new test is faster and cheaper than the current method being used to detect Ebola.
Saudi Arabia announced it has stopped issuing visas to workers from three countries at the center of the ongoing Ebola outbreak.
A young man suspected of having Ebola has been hospitalized in Sweden.
The experimental drug has so far cured two American doctors, but the company producing it says it has no more doses of the drugs.