An outbreak of the chikungunya virus within the manufacturing hub of Foshan close to Hong Kong has prompted Chinese language authorities to implement sturdy precautionary measures to forestall new circumstances from the mosquito-borne sickness.

What’s chikungunya?

Chikungunya is a illness brought on by a virus carrying the identical identify. It was first found in 1952 in Tanzania, however circumstances and outbreaks have since been reported in additional than 100 international locations, based on the Facilities for Illness Management and Prevention (CDC).

The virus spreads principally in tropical and subtropical areas, and outbreaks have change into extra frequent and widespread since 2004, based on the World Well being Group (WHO).

Along with the Guangdong province of China, eight different international locations are at present seeing outbreaks: Bolivia, Kenya, Madagascar, Mauritius, Mayotte, Réunion, Somalia and Sri Lanka.

How is it unfold?

The virus is unfold to individuals by way of the chunk of contaminated mosquitoes. When a mosquito bites an contaminated individual, that mosquito turns into contaminated and may then unfold the virus to different individuals.

The CDC says individuals hardly ever unfold the virus to different individuals. The virus might solely be unfold by way of blood transfusion, the dealing with of contaminated blood within the lab, or by drawing blood from an contaminated affected person.

The virus is just not unfold by way of coughing, sneezing or touching, the CDC says.

What are its signs?

Chikungunya is never deadly, however it usually causes extreme joint ache and a fever. Different signs embody complications, muscle ache, joint swelling or rashes.

Signs usually subside inside every week, however joint ache can linger for months in some circumstances.

Folks most in danger for extreme illness are newborns contaminated across the time of start and adults 65 years and older. Folks with medical situations together with hypertension and coronary heart illness additionally face elevated threat.

Can or not it’s handled?

There aren’t any medical remedies authorised for the illness, however officers suggest relaxation, fluids and avoiding getting mosquito bites for the primary week of sickness.

The CDC says over-the-counter ache drugs like acetaminophen may help, however officers strongly warn in opposition to taking drugs like aspirin or ibuprofen, till one other mosquito-borne sickness, dengue, will be dominated out as the reason for signs.

There are two vaccines obtainable within the U.S.

How many individuals have been contaminated?

As of Wednesday, greater than 7,000 circumstances have been reported in China, principally in Foshan, The Related Press reported.

As of July, there have been about 240,000 circumstances and 90 deaths recorded in 2025 in 16 international locations/territories globally, based on the European Centre for Illness Prevention and Management.

The Americas have led within the international depend. As of mid-July, Brazil led with greater than 185,000 circumstances recorded. As of early August, Brazil has recorded greater than 201,000 circumstances.

How is China responding?

China has applied a sequence of measures to forestall the unfold of an infection by way of mosquitos, together with by distributing mosquito nets and having staff spray residential areas, streets and development websites with insecticide, the AP reported.

The AP additionally reported that individuals who don’t empty water from bottles, flower pots or different out of doors receptacles that may entice mosquitos will be topic to fines of as much as the equal of $1,400 or have their electrical energy minimize off.

How is the US responding?

The CDC issued a “level 2” journey advisory on Aug.1, warning individuals to take enhanced precautions if touring to Guangdong.

The CDC recommends vaccinations for vacationers visiting areas with outbreaks. The company additionally advises pregnant ladies to contemplate whether or not they need to keep away from journey to the world.