Gulf donors have committed more than $39 million to Gavi, the Vaccine Alliance, with significant contributions from Saudi Arabia, Qatar and Oman.
Saudi Arabia has announced a $25 million pledge, Qatar has committed $10 million and
Kuwait will host an international conference next month to tackle Syria's humanitarian crisis, the emir said, as foes of President Bashar Al-Assad voiced frustration with international efforts to end the civil war.
Millions of dollars are being raised in the Gulf to finance terrorism, a senior US treasury official has alleged.
Iran is the chief culprit, but funds are being raised throughout the region, often through otherwise genuine charity funds, s