The toll of the COVID-19 pandemic was reflected in a natural decrease during 2021 in the population of nearly three-quarters of U.S. counties versus the two previous years, the census bureau said on March 24.

One out of two Americans were fully vaccinated against Covid-19 as of Aug. 6, according to the U.S. Centers for Disease Control and Prevention.

More than half of the world’s population will live in countries where medicine use will exceed one dose per person per day by 2020, up from 31 percent in 2005, as the “medicine use gap” between developed and pharmerging markets narrows, according to research by the IMS Institute for Healthcare Informatics.