A student waiting to receive a covid-19 vaccine in Iran’s capital Tehran AFP via Getty Images
Nearly everyone in Iran has been infected by the coronavirus at some point during the covid-19 pandemic, and some have caught the virus more than once, but the country still hasn’t achieved herd immunity. Instead, Iran is seeing a punishing new wave of deaths driven by the delta variant.
Iran was one of the first countries after China to be hit by the pandemic, and it had a slow start to its vaccine roll-out. By July …
source: newscientist.com