Seeking Security

In Russia, there's a green light for a new vaccine trial.The idea is to combine a first dose of the Russian vaccine, Sputnik V, with a second dose of the British AstraZeneca shot. The country’s registry of approved clinical trials shows the small study was scheduled to start July 26 and will enroll 150 volunteers. Related: Immunized but banned: EU says not all COVID vaccines equalRussia still has a lot of jabs left to give. Only about 20% of Russians have been vaccinated with a high prevalence of vaccine hesitancy across Russia. Judy Twigg, a global public health expert at Virginia Commonwealth University, joins The World's Marco Werman to discuss the science behind this trial.Related: Vaccine mandates aren't new. But do they work?Twigg, who specializes in public health in Russia and Eurasia, also shares her views on the current state of the pandemic in Russia. Marco Werman: Generally, what is the current state of the pandemic in Russia? Judy Twigg: They've been hit pretty hard with the delta variant, so case