Manila, June 14 -- Partners for the COVAX initiative on Sunday welcomed a commitment by G7 countries to share at least 870 million doses, but the head of the World Health Organization (WHO) said more doses are needed with faster delivery.

"COVAX welcomes dose sharing commitments for 870 million additional doses to support equitable access to vaccines in 2021 and 2022, with the aim to deliver at least half by the end of 2021," the WHO said in a statement.

However, WHO Director-General Tedros Ghebreyesus said "We welcome the generous announcements about donations of vaccines and thank leaders. But we need more, and we need them faster."

"Many other countries are now facing a surge in cases - and they are facing it without vaccines. We are ...