In Iceland, 96% of females and 90% of males 16 years or older have received at least one dose of a Covid-19 vaccine. Its vaccination rate, one of the highest in the world, makes it a particularly interesting place to look at the incidence and severity of breakthrough infections.
Covid-19 vaccines were first administered in Iceland at the end of 2020; by mid-July, every resident over the age of 16 was offered a shot. Yet tests show an alarming number of domestic Covid-19 infections are still happening with the onset of the delta variant.
In the US, where vaccination rates are lower, officials have described the virus’s ongoing spread as a “pandemic of the unvaccinated.” But given the lopsided numbers of vaccinated versus unvaccinated people in Iceland, the island country is currently seeing more cases of Covid-19 among the vaccinated than the unvaccinated.