The rise in gastrointestinal illness prompted concern as this winter's outbreaks have been both more frequent and severe. December saw 16 outbreaks on cruise ships, marking a 12-year high, as cases spiked to nearly 900 people sickened on vessels.
Norovirus is highly contagious, often spread through contaminated food, water, or surfaces, and can also transmit via direct person-to-person contact, prominently increasing during winter months due to colder weather that forces people indoors.
Experts speculate that the seasonal uptick of norovirus is connected to the colder weather and the resultant indoor gatherings that facilitate virus spread, resulting in significant public health concerns.
In response to the rise in norovirus cases, cruise lines like Cunard and Holland America have implemented enhanced health protocols, including deep cleaning and close monitoring by medical teams to protect the health and comfort of passengers.
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