Honest question, is that relevant? Two thirds of the population live in the capital region, measuring just over 1% of the area of the country. Iceland is according to some measures one of the most urbanized countries in the world [0]. The virus can't "feel" there are vast swathes of uninhabited land out there, can it?

0: https://en.m.wikipedia.org/wiki/Urbanization_by_country

No packed mass transit like other dense urban centers. Even their "urban center" is much less dense than other cities.