Pfizer is now planning to test its vaccine on children aged between five to 11, while China has approved Sinovac Biotech's shot for emergency use in children as young as three
Italy on May 31 approved extending the use of Pfizer's vaccine to 12-15 year olds.
The Sinovac vaccine has been authorised in 32 countries and jurisdictions, with 260 million doses distributed, the SAGE experts said.
"We are very confident that 2 doses of CoronaVac are efficacious in preventing PCR confirmed COVID19 in adults (18-59 years)," SAGE said in an assessment posted on the WHO website.
The country recorded 10,016 new infections on Monday, bringing the overall tally to 731,894, with deaths at 13,186, one of the highest caseloads in Asia.
About 38 million doses of a vaccine produced by China's Sinovac Biotech have arrived in the Southeast Asian country so far, some of which have been used in a mass inoculation drive starting in January.
The Southeast Asian nation has reported one of the worst COVID-19 caseloads in Asia. It launched a vaccination drive in January, aiming to inoculate some 181 million people within a year.
Indonesia will get about 11.7 million doses of AstraZeneca's vaccine through COVAX, which will come in stages through May, Minister Retno Marsudi said.
It marks the second COVID-19 vaccine green-lighted for public use in China, after a shot developed by a Beijing institute affiliated to state-owned China National Pharmaceutical Group (Sinopharm) was approved in December.
"(The second consignment) was approved in China," Erdogan told reporters in Istanbul. "It is highly probable that it could come by the end of this week. We expect 10 million to come."
Some 600,000 people were vaccinated in two days when the rollout began just over a week ago, but the pace later slowed.
Anvisa officials had said previously that the Sputnik V vaccine would have to be submitted to Phase III clinical trials in Brazil before its use can be authorized.
This 50% is good, is it? All the (criticism) I got for my comments, and now they are seeing the truth. Four months of being lambasted because of the vaccine.
Brazil's government closed a deal with the Butantan Institute to buy up to 100 million doses of the Chinese vaccine.
A Supreme Court ruling would clear the way for São Paulo state to start vaccinating people in January, as planned, with doses of China's CoronaVac vaccine made by Sinovac Biotech Ltd.