The Central American nation has only 6.5 million people, but experts say the region will be watching closely whether Biden can impose costs on Nicaraguan President Daniel Ortega.
Costa Rica declined to purchase Covid-19 vaccines from the Chinese laboratory Sinovac, citing that they are less than 60% effective against symptomatic coronavirus infection.
Aeris, the company that manages Costa Rica's Juan Santamaría International Airport, says it has contracted additional staff to enforce coronavirus-related health protocols at SJO.