Nearly every person in Iran seems to have had covid-19 at least once

Student waiting in Tehran to get the covid-19 vaccine AFP via Getty Images
Nearly everyone in Iran has been affected by the coronavirus during the covid-19 pandemic. Some have had the virus multiple times, but Iran still doesn't have herd immunity. The delta variant is causing a new, severe wave of deaths in Iran.

Iran was the second country after China to be affected by the pandemic. It had a slow start in its vaccination program. By July