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WHO warns of chikungunya virus outbreak

The World Health Organization alerts that chikungunya virus is rapidly spreading and threatening billions.

July 23, 2025 at 10:30 AM
blur Billions at risk of mosquito-borne virus that causes the body to 'fold together', warns WHO - the 8 signs to spot

The World Health Organization warns about the rapid spread of chikungunya, a debilitating virus.

WHO warns of chikungunya virus linked to severe deformities

The chikungunya virus, which induces severe joint pain and deformities, is spreading fast, according to the World Health Organization. Currently, the virus is affecting regions around the Indian Ocean and is nearing Europe. WHO's Dr Diana Rojas Alvarez expressed concern that up to 75 percent of populations in areas with little immunity may become infected. The outbreak is reminiscent of a significant one from 2004, where nearly half a million cases were reported globally. With no known cure, the situation has raised alarms as the virus now threatens billions worldwide.

Key Takeaways

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Chikungunya is spreading from the Indian Ocean to Europe.
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Up to 75% of populations in low-immunity areas could be infected.
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The WHO highlights similarities to past outbreaks from 2004.
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There is currently no cure for chikungunya, raising public health concerns.
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The tiger mosquito, a key vector, is expanding its range due to climate change.
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Early warning measures are being advocated by health officials.

"We are seeing history repeating itself"

Dr Diana Rojas Alvarez emphasizes the recurrence of the chikungunya virus's outbreak.

"The case fatality rate is less than one percent, but that can be thousands"

Dr Diana explains the significance of fatality rates in relation to millions of cases.

"Chikungunya is detected and transmitted in 119 countries globally"

A surprising fact about the widespread nature of the virus shared by WHO.

"We are raising the alarm early so countries can prepare early"

A proactive call to action for nations to bolster their health responses.

The rapid spread of chikungunya highlights a critical intersection between climate change and public health. As mosquito populations expand into previously unaffected areas, including parts of Europe, the focus must shift to both prevention and preparedness. The lack of a cure for chikungunya poses significant challenges for healthcare systems, particularly as public knowledge about the virus remains low. Countries need to enhance their surveillance and response strategies to avoid large outbreaks, especially with seasonal fluctuations expected to change transmission dynamics further.

Highlights

  • Chikungunya's reach is expanding, and the risks are growing.
  • History is repeating itself with chikungunya.
  • Ignoring chikungunya now may have dire consequences later.
  • Vigilance against chikungunya is essential as we face a potential health crisis.

Public health risk posed by chikungunya virus

The widespread nature of chikungunya, combined with a lack of immunity in several populations, poses a substantial public health threat. Without sufficient action, millions could fall ill, particularly in vulnerable groups.

The threat of chikungunya emphasizes the need for global public health vigilance.

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