Zoonosis Threat: Hantavirus Outbreak and Ebola Alarm in the New Normal
Six years after the Covid-19 pandemic gripped the world, the global news cycle is once again dominated by reports of deadly diseases. The hantavirus outbreak on the cruise ship MV Hondius and the surge in Ebola cases in Central Africa serve as a stark reminder that global health threats are far from over.
The fatal hantavirus outbreak aboard the MV Hondius forced American passengers to undergo lengthy quarantines in Nebraska. Meanwhile, at the weekend the World Health Organization (WHO) declared a Public Health Emergency of International Concern over the Ebola outbreak in Central Africa. Although serious, the WHO said the two outbreaks have not yet reached pandemic levels.
Dr Peter Hotez, Dean of the National School of Tropical Medicine at Baylor College of Medicine, emphasised that the phenomenon should not be underestimated. According to him, these pathogens mark an important trend in global health: zoonotic spillover epidemics, outbreaks caused by viruses jumping from animals to humans.
‘The most important message from this hantavirus outbreak is what it represents,’ said Dr Hotez. ‘Almost all major epidemics in the last two decades have largely been zoonotic spillover events. This is a warning that similar occurrences will continue to happen.’
Hantaviruses typically spread to humans via rodent faeces and saliva, while Ebola is transmitted through animals such as fruit bats and hedgehogs. Hotez highlighted two major drivers behind the rising human–animal interactions.
Facing this threat, Hotez urged health authorities to act pre-emptively. He stressed the importance of strengthening infrastructure, developing better diagnostics, antiviral medicines, and ensuring vaccine availability before outbreaks spread.
He cited the Andes hantavirus strain that struck the MV Hondius. ‘We should already have a ready-to-use Andes virus vaccine for those at risk on that ship. The absence of this vaccine reflects a lack of preparedness at local, national, and international levels,’ he said.
Although the current situation is not a reason for panic, experts agree that this is a wake-up call for the world to bolster global health defence systems before the next epidemic arises. (USA Today/I-2)
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