Recent illness outbreaks linked to international cruise ships have triggered global concern over infectious diseases spreading during travel. While most frequent travellers are familiar with Norovirus outbreaks on cruise ships, the recent cases involving Hantavirus have raised fresh questions about how the two viruses differ and why health authorities are taking the situation seriously.

According to experts, understanding the distinction between norovirus and hantavirus is crucial because the infections spread differently, affect the body differently, and carry very different health risks.

Also read:Norovirus Outbreak On Cruise Ship Infects 115: Symptoms, Causes, How It Spreads, And All You Need To Know

Norovirus is one of the world’s most common causes of stomach infections and foodborne illness. It spreads extremely easily through contaminated food, water, surfaces, or close contact with infected people.

Cruise ships are especially vulnerable because passengers share dining spaces, bathrooms, railings, and enclosed environments where viruses can spread rapidly.

More than 100 people have been sickened in a norovirus outbreak on a cruise ship operated by Princess Cruises. Those sickened, who include 102 passengers and 13 crew members, have been isolated from uninfected travellers, the US Centers for Disease Control and Prevention said. Common noroviruses include:

Norovirus is one of the world’s most common causes of stomach infections and foodborne illness

Hantavirus is far rarer but potentially far more serious. The virus is primarily spread through exposure to infected rodents, including rat urine, saliva, or droppings. Health officials investigating the recent cruise ship outbreak believe the Andes strain of hantavirus may be involved. Unlike most hantaviruses, the Andes strain has shown limited human-to-human transmission in rare cases. A few common symptoms of hantavirus are:

Hantavirus is rare and primarily spread through exposure to infected rodents

Norovirus usually causes temporary gastrointestinal illness, while hantavirus can lead to severe respiratory complications and organ failure.

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