Table 1.

Summary of early COVID-19 mitigation measures in Norway, Sweden and Denmark.

	Sweden	Denmark	Norway
Daycare and primary schools closed	n/a	March 16	March 12
High school and universities closed	March 17 (recommendation)	March 13	March 12
Restrictions on gathering	March 11 (500+) March 27 (50+)	March 11 (100+) March 17 (10+)	March 12
Home office recommendations	March 16 (recommendation to use home office)	March 13 (Non-essential workers in public sector ordered to stay home, private sector urged to permit use of home office)	March 10 (recommendation to use home office)
Non-essential business closed		Some closures from March 18, including restaurants/bars	Some closures from March 12
Recommendations to stay at home	March 16 for over 70 s March 19 Avoid unnecessary travels	March 11 restrict public transport and unnecessary travels	March 12 Avoid public transport and unnecessary travels, March 19 not allowed to spend night in vacation homes outside home county
Regulation of internal (domestic) movement	March 19	April 9	March 12
International travel restrictions	March 14 Advice against all unnecessary international travels, isolation and get tested if symptoms after arrival to Sweden	March 11 (flights from high-risk areas cancelled) March 14 (all borders closed)	March 13 Recommendations to avoid all unnecessary international travel, mandatory quarantine when arriving Norway, isolation if symptoms
Public events cancelled	March 12	March 13	March 12