Norovirus Outbreaks on Cruise Ships Reach Highest Levels in Over a Decade

There have been 13 norovirus outbreaks on cruise ships so far in 2023, the most since 2012.
The most recent outbreak occurred on a Viking Cruises trip, infecting over 13% of passengers.
Norovirus causes gastrointestinal illness with symptoms like vomiting, diarrhea, and stomach pain.
The virus spreads easily through contact, contaminated surfaces, and poor hygiene.
Outbreaks surged as cruising rebounded in 2023 after plummeting during the pandemic.