Anyone who reads a lot of articles about Covid quickly discovers that age 60 is the average age people have got it, and that underlying conditions and age are the primary reasons people die. The average fatality rate is 80.
However this article about Iran claims "Zali also acknowledged "many" of those who have died from COVID-19 were otherwise healthy, a rare admission by local authorities that the virus does not only prey on the sick and elderly."
https://www.aljazeera.com/news/2020/03/iran-reports-113-virus-deaths-containment-concerns-mount-200315180552632.html
Iran's government has not been trustworthy and there isn't any external review of their claims, fwiw. 7 different studies a week ago estimated an average of 2M infected Iranians, but the government spokespeople numbers are much lower.