The United States and Canada announced stepped-up airport screening measures Wednesday to look for passengers carrying Ebola, as the deadly virus killed a man in Texas and the worldwide toll neared 3,900.
The first person diagnosed with the deadly Ebola virus on U.S. soil is faring worse and now in critical condition, health officials said Saturday, having previously described him as seriously ill.
The Obama administration urged calm over the single case of Ebola in the United States, seeking to reassure the American public that there was little chance of an outbreak of the disease in the country.
The U.N. launched a mission Thursday to prevent the global spread of Ebola, describing the epidemic as the world's "highest priority" as the U.S. scrambled to limit its own outbreak to one patient.
The Liberian man infected with Ebola who brought the disease to the United States will be prosecuted when he returns home for lying on his airport screening questionnaire, Liberian authorities said Thursday.
The airline passenger who brought Ebola into the U.S. 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 Wednesday in a disclosure that showed how easily an infection could be missed.
World leaders were asked Thursday to pledge urgently needed aid to battle Ebola in West Africa as Sierra Leone quarantined one million people in a desperate bid to beat back the deadly virus.
Experts who attended a Food Safety Summit in Baltimore in April should have skipped lunch.
The number of Ebola infections will triple to 20,000 by November, soaring by thousands every week if efforts to stop the outbreak are not stepped up radically, the World Health Organization (WHO) warned in a study on Tuesday.
The National Institutes of Health said it has uncovered a nearly century-old container of ricin and a handful of other forgotten samples of dangerous pathogens as it combs its laboratories for improperly stored hazardous materials.