Russia, AstraZeneca to test combination of COVID-19 shots
By DARIA LITVINOVA MOSCOW (AP) — Developers of the Russian coronavirus vaccine Sputnik V on Monday announced signing an agreement with AstraZeneca to test a combination of the British drugmaker's COVID-19 shots and a component of the vaccine created in Moscow. The developers of Sputnik V proposed the approach to AstraZeneca last month, suggesting it could increase the effectiveness of the British vaccine.