When we refer to herd-immunity timelines for a country, we mean the point at which the entire nation or a significant portion reaches herd immunity.
See our earlier perspectives, below, for definitions of normalcy and herd immunity. When some locales embarked on the second-quarter transition toward normalcy that we previously discussed. “COVID data tracker weekly review,” Centers for Disease Control and Prevention, last accessed August 15, 2021, cdc.gov COVID-19 daily epidemiology update, Government of Canada, updated August 18, 2021, Colleen Barry, Frank Jordans, and Nicole Winfield, “In time for summer, Europe sees dramatic fall in virus cases,” Associated Press, May 29, 2021,. Since the March installment in this series, many countries, including the United States, Canada, and those in Western Europe, experienced a measure of relief from the COVID-19 pandemic 1