Ebola crossed a dangerous threshold this week as Uganda confirmed a new case—in a 5-year-old-boy who arrived from the Democratic Republic of the Congo, the WHO reported yesterday.  

Dengue is set to threaten 6 billion people by 2080—60% of the current world population—according to study in Nature Microbiology.  

Progress reports on the Democratic Republic of the Congo's Ebola outbreak clashed this week, Helen Branswell reports in STAT. Yesterday, the WHO said cases are down and Ebola’s geographic footprint is shrinking. Tuesday, CDC chief Robert Redfield suggested…

Scientists genetically engineered a fungus from a spider gene to kill off mosquitoes, marking a promising new advance described in a Science paper published yesterday.

Women account for over half of people living with HIV worldwide. That’s not obvious from the research, which relies heavily on gay male participants. Yet there are key differences in how male and female immune systems respond to the virus—a relevant factor in efforts to…

Dozens of member states pledged continued support for the global effort to eradicate polio during a #WHA72 committee meeting on Thursday morning.  But one mattered more than most: Pakistan.

When several children fell ill, parents in Pakistan’s Sindh province sought answers. Ultimately, 14 children aged 2-8 tested positive for HIV. Sindh province is no stranger to HIV, accounting for almost half of Pakistan’s 150,000 positive cases. But this tragedy cracked…

Ebola is a dragon with multiple heads—starting in one place and then popping up in others, Oly Ilunga Kalenga, Minister of Health for the Democratic Republic of the Congo, told a packed committee room at a #WHA72 meeting this morning. And all around the dragon: violence.…

Doctors are going incognito in the Democratic Republic of the Congo as hostilities to health workers spread amid the second-deadliest Ebola outbreak in history, The Washington Post reports.

The most detailed map to date of HIV prevalence in sub-Saharan Africa, published yesterday in Nature, zooms in on the worst-affected areas—not just by country, but down to the size of a small town.   The epidemiologists behind the tool hope it will help target resources…