Brazil has launched a campaign to vaccinate more than 23 million people in response to a yellow fever outbreak that has killed more than 200 people, according to the country's Health Ministry.
The outbreak coupled with famine is an indication things are "falling apart." Only 29 percent of a massive humanitarian plan for Yemen in 2017 has been funded, says a UN coordinator.
A polio outbreak has been confirmed in Deir al Zor, Syria, an area partly held by Daesh. It is the first re-emergence of the virus since 2014.
WHO says cholera has hit 19 of Yemen's 23 governorates highlighting a humanitarian catastrophe in the war-torn country after two years of civil war that has disabled most health care facilities.
The country's health minister says the people who vaccinated the children had used unsterilised syringes and were neither qualified nor trained for the immunisation campaign.
Yemen has witnessed over 10,000 deaths due to the two-year civil war with no end in sight. Now the outbreak of cholera is adding to the death toll in a country that is already at the brink of famine.
WHO says that while the number of deaths has risen, the rate of infection in war-torn Yemen appears to be slowing with more than 51,000 suspected cases reported.
Unable to contain a cholera outbreak that has claimed 115 lives, authorities in Yemen's rebel-controlled capital city say the disease is out of control and are appealing for help.
Nearly 300 people died after mudslides triggered by floods from heavy rains devastated the southwestern town of Mocoa.
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