Barry Bloom

Top of The World

More countries halt use of AstraZeneca vaccine

Top of The World: Germany has joined France, Italy and Spain in suspending its use of the AstraZeneca COVID-19 vaccine over concerns of blood clots in some recipients. And, with a rise in the number of migrants getting apprehended at the US-Mexico border, US President Joe Biden — once critical of Trump-era deterrence policies — is now facing criticism from all sides.

Lessons from Europe’s third coronavirus wave

Europe is facing a dangerous, new surge of COVID-19 cases, just as Italy, France and Germany suspend use of the AstraZeneca vaccine. Dr. Barry Bloom, former dean of the Harvard School of Public Health, talks with The World’s Marco Werman about what lessons the surge might offer US scientists and public health officials devising strategies to beat the new variants.