TEHRAN, Iran — Iran has finalized a deal with Russia to purchase 60 million doses of Sputnik V coronavirus vaccine.

The state-run IRNA news agency reported Thursday that Iran’s ambassador to Russia, Kazem Jalali, says the contract for enough vaccines to inoculate 30 million people was “signed and finalized.” Jalali says Iran will receive the vaccines by the end of the year.

Iran began a 10-day lockdown Saturday amid a fourth wave of coronavirus infections. Authorities ordered most shops closed and offices restricted to one-third capacity in cities declared as “red zones,” with the highest infection rates. Over 85% of the country is either a red or orange zone.

Only some 200,000 doses have been administered in the country of 84 million, according to the World Health Organization. COVAX, an international collaboration to deliver the vaccine equitably across the world, delivered its first shipment to Iran on Monday from the Netherlands, containing 700,000 AstraZeneca doses.

Earlier this year, Iran started its vaccine program with a limited number of Russian Sputnik V vaccine doses going to medical workers.