News & Perspective

Yemen confirms another 35,000 cholera cases, while Somalia reports a slight slowdown, with only 1,121 new cases.

Babies living in countries affected by conflict made up more than half of the total of unvaccinated group.

A second case of vaccine-derived polio is reported in Raqqa, Syria, while a Pakistani toddler has a wild poliovirus infection.

The first case was identified in late April, and over the past 8 weeks, medical workers registered and followed 583 contacts.

The new vaccine-derived cases lift the outbreak total to 22, all but 1 in Deir ez-Zor governorate.

Two years of conflict have cut 14.5 million people off from access to clean water and sanitation.

The study appears to be the first to measure colonization incidence or infections as a primary outcome.

The WHO says the 2 vaccine-derived clusters in the DRC involve 2 separate strains.