Sri Lanka on Saturday approved Pfizer's COVID-19 vaccine for emergency use.
It comes as the island nation battles a third wave of the virus, while suffering a restricted supply of vaccines from neighbouring India.
Dr. Sudharshani Fernandopulle, the minister overseeing the fight against the epidemic, said in a statement the government would order 5 million doses of the Pfizer vaccine.
Sri Lanka is seeking to secure other vaccines as the Serum Institute of India, the world's largest vaccine manufacturer, has suspended the delivery of AstraZeneca's Covishield vaccine due to spiralling coronavirus infections in India.
Sri Lanka is the first country in South Asia to approve the Pfizer vaccine. It has also approved Russia's Sputnik and China's Sinopharm vaccines for emergency use.
The island nation reported 1,914 new cases and 19 deaths in the past 24 hours, according to federal health data, and its total number of active cases is higher than any point since the pandemic began.
Infections surged after crowded celebrations for traditional New Year last month.
Spain and Portugal switched their power back on after the worst blackout in their history, though authorities offered little explanation for what had caused it or how they would prevent it from happening again.
In the chaotic first 100 days since President Donald Trump returned to office, he has waged an often unpredictable campaign that has upended parts of the rules-based world order that Washington helped build from the ashes of World War II.
Canadian Prime Minister Mark Carney's Liberals retained power in the country's election on Monday, but fell short of the majority government he had wanted to help him negotiate tariffs with US President Donald Trump.
A huge power outage hit large parts of Spain and Portugal on Monday, paralysing traffic, grounding flights, trapping people in elevators and leaving power operators scrambling to restore power to millions of homes and businesses.
Russian President Vladimir Putin on Monday declared a three-day ceasefire in the war with Ukraine next month to mark the 80th anniversary of the victory of the Soviet Union and its allies in World War II.
Canadian prosecutors have charged a 30-year-old Vancouver resident with murder for killing at least 11 people and injuring dozens after he rammed an SUV through a crowd at a Filipino community festival in the western Canadian city.