Top U.S. and Russian officials have had their most extensive high-level engagement since Moscow sent troops into Ukraine almost three years ago.

Russia and the U.S. have agreed to start working toward ending the war in Ukraine and improving their diplomatic and economic ties.

The head of the Russian sovereign fund bankrolling the shot says Russia is ready to provide up to 300 million doses of its Sputnik V vaccine to the U.N.-backed COVAX initiative.

Now, with demand growing for the Sputnik V, experts are raising questions again, this time over whether Moscow can keep up with all the orders from countries that want it. (Saeed Kaari/IKAC via AP, File)MILAN – Russia has signed a deal to produce its Sputnik V coronavirus vaccine in Italy, the first contract in the European Union, the Italian Russian Chamber of Commerce announced Tuesday. Russian authorities are working on 20 similar collaborations in Europe and the Sputnik V vaccine has been registered in 45 nations worldwide, the chamber said. Hungary became the first EU country to authorize Sputnik V for use last month while Slovakia announced a deal last week to acquire 2 million Sputnik V doses and received the first shipment of 200,000 doses. “We can have Sputnik V on the market here in the future if we have examined the corresponding data.”Wirthumer-Hoche’s remarks elicited outrage in Russia.