Paul Spiegel, of the Johns Hopkins Bloomberg School of Public Health, talks about his time in Poland and other countries neighboring Ukraine acting as emergency coordinator for refugee health.
That number is more than double the official toll because it includes excess deaths from other causes largely attributable to overburdened health systems.
Acute hepatitis cases have developed among previously healthy children around the world, including some in the United States. The cause is unknown, and parents should not worry unduly, experts said.
A major producer of vaccines against anthrax, the biotech company later attracted scrutiny when it was forced to discard 75 million doses of coronavirus vaccine because of possible contamination.
Buried under the skin of the abdomen, the heart device he co-invented monitors irregular heartbeats and can deliver a jolt to shock the heart back to a normal rhythm.