Health & Wellness
Is the Hantavirus Outbreak Similar to COVID-19? WHO Chief Explains 3 Major Differences
Concerns surrounding the recent Hantavirus outbreak linked to the expedition cruise ship:
MV Hondius
have triggered comparisons with the early days of the COVID-19 pandemic.
Quarantines, international monitoring, emergency evacuations, and reports of infections aboard the ship have raised public anxiety online. However, global health officials and infectious disease experts continue to stress that the current situation is fundamentally different from COVID-19.
WHO Chief Says ‘This Is Not Another COVID’
Tedros Adhanom Ghebreyesus, Director-General of the:
World Health Organization, addressed the growing fears during an interview with CBS News.
He stated clearly:
According to Tedros, scientific evidence currently suggests:
- the outbreak risk remains low
- transmission is limited
- and the situation does not resemble the rapid global spread seen during COVID-19.
Health officials say the outbreak linked to the MV Hondius involves the:
Andes strain of hantavirus
— one of the few rare hantavirus variants known to allow limited human-to-human transmission.
What Is Hantavirus?
Hantavirus is a viral disease primarily spread through:
- contact with infected rodents
- rodent urine
- saliva
- or droppings.
Symptoms may include:
- fever
- muscle aches
- fatigue
- breathing difficulties
- nausea
- and severe lung complications.
Some forms can lead to:
Hantavirus Pulmonary Syndrome (HPS)
which can become life-threatening.
Why Experts Say Hantavirus Is Different From COVID-19
Health officials have highlighted three major differences between hantavirus and COVID-19.
1. Hantavirus Does Not Spread Easily Between People
According to experts, the biggest difference is transmission efficiency.
Unlike:
COVID-19,
which spread rapidly through airborne respiratory droplets, hantavirus transmission between humans is:
- extremely rare
- difficult
- and generally requires prolonged close contact.
Maria Van Kerkhove explained:
She clarified that the current outbreak appears largely confined to a specific environment aboard the ship.
Health authorities say transmission of the Andes strain usually requires:
- close physical proximity
- exposure to bodily fluids
- or extended caregiving contact.
2. Scientists Already Understand Hantavirus Much Better
Experts note that COVID-19 became globally dangerous partly because it was:
- a completely new virus
- poorly understood initially
- and spreading before scientists fully understood transmission patterns.
In contrast, hantaviruses have been studied for decades.
Celine Gounder explained:
Researchers already know:
- likely transmission routes
- incubation patterns
- high-risk exposures
- and prevention methods.
This allows health systems to respond faster and more effectively compared to the early COVID outbreak in 2020.
3. Hantavirus Has a Longer Incubation Period
Another major difference involves incubation time.
Experts say:
- hantavirus symptoms can take 2 to 6 weeks to appear
- whereas COVID-19 often spread within just a few days.
The longer incubation period gives authorities:
- more time for contact tracing
- isolation measures
- and monitoring exposed individuals.
According to experts, most passengers linked to the cruise outbreak are now approaching the end of the observation window without a major spike in new infections.
How Many Cases Have Been Reported?
Reports linked to the outbreak mention:
- around 10 confirmed or suspected cases
- several hospitalisations
- and at least three reported deaths.
Authorities are also reportedly monitoring:
- 18 American passengers
who recently returned to the United States.
Despite the concern, health agencies say the overall public risk remains low.
Why the Cruise Ship Outbreak Triggered Alarm
The outbreak drew attention because the response resembled early pandemic containment measures:
- quarantined passengers
- emergency evacuations
- international alerts
- medical isolation
- and passenger tracking.
These similarities sparked public anxiety and comparisons with the COVID-19 pandemic era.
However, experts insist the scientific risk profile is very different.
Can Hantavirus Become a Global Pandemic?
At present, health experts say:
- widespread pandemic-level transmission appears unlikely
- hantavirus spreads inefficiently between humans
- and current evidence does not suggest uncontrolled global spread.
Former FDA Commissioner:
Scott Gottlieb
also noted that hantavirus:
Still, health agencies continue surveillance to monitor for:
- mutation risks
- transmission changes
- or unexpected outbreaks.
How to Reduce Risk of Hantavirus Infection
Experts recommend:
- avoiding contact with rodents
- safely cleaning rodent-infested areas
- wearing masks and gloves during cleaning
- disinfecting surfaces properly
- and seeking medical help if symptoms appear after possible exposure.