MOSCOW – Russia's boast in August that it was the first country to authorize a coronavirus vaccine led to skepticism at the time because of its insufficient testing.
Six months later, as demand for the Sputnik V vaccine grows, experts are raising questions again — this time, over whether Moscow can keep up with all the orders from the countries that want it.
Slovakia got 200,000 doses on March 1, even though the European Medicines Agency, the European Union's pharmaceutical regulator, only began reviewing its use on Thursday in an expedited process.
The president of the hard-hit Czech Republic said he wrote directly to Russian President Vladimir Putin to get a supply. Millions of doses are expected by countries in Latin America, Africa, the