A year after several cruise ships were host to major coronavirus outbreaks and with large numbers of Americans now vaccinated, cruise lines have been striving to get business going. (Image: Reuters)

German tourists stand on the cruise ship 'Mein Schiff 2' of the company TUI Cruises after it was docked at dawn in Malaga port, becoming the first cruise ship carrying tourists to arrive on Spain's mainland since June 2020, amid the coronavirus pandemic, in Malaga, southern Spain, June 15. (Image: Reuters)

German tourists disembark for sightseeing from the cruise ship 'Mein Schiff 2' of the company TUI Cruises after it was docked at dawn in Malaga port, becoming the first cruise ship carrying tourists to arrive on Spain's mainland since June 2020, amid COVID-19 pandemic, in Malaga, southern Spain, June 15. (Image: Reuters)

The cruise ship 'Mein Schiff 2' of the company TUI Cruises is seen after it was docked at dawn in Malaga port, becoming the first cruise ship carrying tourists to arrive on Spain's mainland since June 2020, amid the coronavirus, in Malaga, southern Spain, June 15. (Image: Reuters)

German tourists watch members of singing groups of Verdiales, known as "pandas", as they disembark for sightseeing from the cruise ship 'Mein Schiff 2' of the company TUI Cruises after it was docked at dawn in Malaga port, becoming the first cruise ship carrying tourists to arrive on Spain's mainland since June 2020, amid the COVID-19, in Malaga, southern Spain, June 15. (Image: Reuters)

German tourists stand on the cruise ship 'Mein Schiff 2' of the company TUI Cruises after it was docked at dawn in Malaga port, becoming the first cruise ship carrying tourists to arrive on Spain's mainland since June 2020, amid COVID-19, in Malaga, southern Spain, June 15. (Image: Reuters)

Tourists return to cruise ships as COVID-19 pandemic abates

A year after several cruise ships were host to major coronavirus outbreaks and with large numbers of Americans now vaccinated, cruise lines have been striving to get business going.