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.
At least 34 people died and more than 200 were missing following sudden, heavy rain in Indian Kashmir, officials said on Thursday, the second such disaster in the Himalayas in a little over a week.
President Volodymyr Zelenskyy said on Thursday that he had a detailed discussion of possible security guarantees for Ukraine during a "productive meeting" with British Prime Minister Keir Starmer.
Boxes of Gaza-bound aid turned back by Israel on Sunday languished atop a truck and flatbed trailer parked metres from its border with Egypt, as exasperated drivers and UN officials criticised delays in sending food and medicine to the enclave.
A second volunteer firefighter who suffered severe burns while battling a wildfire in Spain's northern Leon province has died from his injuries, a government official said on Thursday, as several blazes continued across the country.
The Arab League has strongly condemned Israeli Prime Minister Benjamin Netanyahu's statements on the annexation of parts of the territories of sovereign Arab states, in preparation for the establishment of what he called "Greater Israel."