Table 1.

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

Mitigation measures	Norway	Sweden	Denmark
Kindergarten or daycare and primary schools closed	March 12	n/a	March 16
High-school and universities closed	March 12	March 17: recommendation	March 13
Restrictions on gathering	March 12	March 11 (500+) March 27 (50+)	March 11 (100+) March 17 (10+)
Workplace closures	March 10: recommendation to work from home	March 16: recommendation to work from home	March 13: non-essential workers in the public sector ordered to stay home, private sector urged to allow home working
Non-essential businesses closed	Some closures from March 12	—	Some closures from March 18, including restaurants/bars
Stay at home recommendations	March 12: avoid public transport and unnecessary travels, March 19: not allowed to spend night in vacation homes outside home county	March 16: for over 70s March 19: avoid unnecessary travels	March 11: restrict public transport and unnecessary travels
Restriction on internal movement	March 12	March 19	April 9
Restrictions on international travel	March 13: recommendations to avoid all international travel, mandatory quarantine when arriving in Norway, isolation if symptoms	March 14: advice against all 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
Cancellation of public events	March 12	March 12	March 13

n/a, not applicable.

Oakley et al. Preterm birth and COVID-19 mitigation measures in Scandinavia. Am J Obstet Gynecol 2022.