A man who stabbed and injured two people on a US tour bus has been shot dead by police.

US health officials are alerting airline passengers who were on the same flight as a Texas nurse who was diagnosed with Ebola the following day.

A second US health care worker has tested positive for Ebola, Texas officials have revealed.

A Liberian Ebola patient was left in an open area of a Dallas hospital for hours, the largest US nurses’ union has said.

A World Health Organisation official said the death rate in the ebola outbreak has increased to 70%.

A US nurse who caught Ebola while treating a Liberian patient who died of the disease has received a plasma transfusion donated by a doctor who beat the virus.

A medical clinic outside of Boston was quarantined and a patient has been isolated outside the hospital with a possible case of ebola, the Boston Globe reported last night.

A healthcare worker at Texas Health Presbyterian Hospital who provided care for an Ebola patient has tested positive for Ebola in a preliminary test.

Health officials in Australia have confirmed a 57-year-old woman is being tested for Ebola after returning to the country from Sierra Leone.

The first person diagnosed with ebola in the US died yesterday as the government ordered five airports to screen passengers from West Africa for fever.

Three more people have been placed under quarantine for Ebola at a Madrid hospital where a Spanish nurse became infected, while more than 50 other people are being monitored.

A nurse in Spain has contracted Ebola, becoming the first person known to have caught the disease outside the outbreak zone in West Africa during the current epidemic.

A Spanish nurse who treated two ebola victims at a hospital in Madrid has contracted the virus herself in the first case of contagion outside of Africa, health officials said.

A US man who contracted Ebola while working as a freelance cameraman in Liberia has been flown back to his home country for treatment.

The first person to develop ebola in the US was struggling to survive at a Dallas hospital yesterday after his condition worsened to critical, the director of the US Centres for Disease Control said.

The condition of the man who brought the deadly Ebola disease to the US is now critical, hospital officials have said.

The Dallas hospital treating the lone US Ebola patient has said he is in a critical condition.

The head of the UN’s ebola mission has said aid workers are battling against time to stop the ebola virus from mutating and possibly become airborne.

About 80 people are now being monitored for symptoms of Ebola in Texas, health officials said, after a man was diagnosed with the disease in Dallas.

The airline passenger who brought Ebola into the US initially went to a Dallas emergency room last week but was sent home, despite telling a nurse that he had been in disease-ravaged West Africa, the hospital said.

A man who flew from Liberia to Texas has become the first patient infected with the deadly ebola virus to be diagnosed in the United States, health officials said, a sign the outbreak ravaging West Africa may spread globally.

A patient at a Dallas hospital has tested positive for Ebola, the first case of the disease to be diagnosed in the United States.

A patient in a hospital in Dallas, Texas, has been confirmed to have the deadly ebola virus, a local news outlet reported last night.

A patient being treated at a Dallas hospital has tested positive for Ebola, federal health officials have confirmed.

Former US president George W Bush has undergone a heart procedure after doctors discovered a blockage in an artery.