• January 31, 2026
  • Last Update January 31, 2026 1:21 pm

Puntarenas on High Alert as Second Chikungunya Case Confirmed

Puntarenas on High Alert as Second Chikungunya Case Confirmed

Puntarenas, Costa RicaESPARZA, Puntarenas – The Ministry of Health has officially confirmed a second case of the Chikungunya virus in the canton of Esparza, Puntarenas, intensifying public health concerns as the mosquito-borne illness re-emerges in Costa Rica for the first time since 2017. This development signals a clear instance of local transmission and has triggered a robust response from health authorities in the Pacific coastal province.

The second patient is a 51-year-old Costa Rican woman residing in Esparza. Her diagnosis was confirmed following lab results from the esteemed Costa Rican Institute for Research and Teaching in Nutrition and Health (Inciensa). Critically, this case is geographically linked to the first, a 24-year-old Costa Rican man whose infection was identified on January 21. Health officials now believe both individuals were likely infected during a similar timeframe, suggesting a concentrated outbreak in the area.

The proliferation of Chikungunya cases presents not only a public health challenge but also complex legal questions regarding workplace responsibility. To understand the obligations of employers and the rights of employees in this situation, TicosLand.com spoke with Lic. Larry Hans Arroyo Vargas, a specialist in labor law from the firm Bufete de Costa Rica.

Employers have a legal duty to maintain a safe and healthy work environment. In the face of a vector-borne illness like Chikungunya, this can include implementing reasonable preventative measures, such as fumigation and eliminating mosquito breeding grounds on the premises. An employee diagnosed with the virus is entitled to a medical leave (‘incapacidad’) from the CCSS, and any dismissal or sanction related to this justified absence would be illegal. It is crucial for companies to manage these situations with diligence to avoid significant legal liabilities.
Lic. Larry Hans Arroyo Vargas, Attorney at Law, Bufete de Costa Rica

This legal insight is critical, reminding us that an employer’s responsibility extends beyond productivity to encompass proactive health measures and the legal protection of their workforce. We thank Lic. Larry Hans Arroyo Vargas for his valuable perspective on this important aspect of managing the impact of Chikungunya.

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The re-appearance of Chikungunya after a nearly nine-year absence has put the nation’s health surveillance systems on high alert. The virus, transmitted by the same Aedes aegypti and Aedes albopictus mosquitoes that carry Dengue and Zika, can cause debilitating symptoms and poses a significant public health challenge. Its return could have implications for both the local population and the vital tourism sector in the Puntarenas region, which relies heavily on a perception of safety and well-being.

In response to the confirmed cases, the Ministry of Health has escalated its vector control operations in the affected region. Health Minister Mary Munive detailed the aggressive measures being undertaken to contain the spread of the virus. An extensive fumigation campaign is already underway, targeting an initial 10,210 homes and commercial properties throughout the canton of Esparza. This initiative aims to disrupt the mosquito life cycle and reduce the vector population responsible for transmission.

These actions will continue over the coming weeks
Mary Munive, Minister of Health

Minister Munive’s statement underscores the government’s commitment to a sustained and prolonged effort to mitigate the outbreak. The strategy involves not only chemical controls like fumigation but also community engagement, urging residents to actively participate in eliminating potential mosquito breeding sites. The long-term success of these efforts will depend on both government action and public cooperation.

Health officials are reminding the public of the distinct and severe symptoms associated with Chikungunya. The illness is characterized by the sudden onset of a high fever, typically exceeding 39°C (102°F), and severe, often incapacitating, joint pain and inflammation. This arthralgia is a hallmark of the disease and can persist for weeks or even months. Other common symptoms include headache, nausea, diarrhea, and a general feeling of malaise.

The Ministry is strongly advising citizens and visitors, particularly in the Puntarenas province, to adopt rigorous personal protection measures. These preventative actions are the first line of defense against infection. Recommendations include the consistent use of mosquito repellent, wearing long-sleeved shirts and pants, especially during peak mosquito activity hours at dawn and dusk, and using mosquito nets or screens in residential areas.

Furthermore, a nationwide call has been issued for the systematic elimination of stagnant water sources around homes and businesses. Discarded tires, uncovered water tanks, flowerpot saucers, and clogged gutters provide ideal breeding grounds for Aedes mosquitoes. By removing these habitats, communities can significantly reduce the risk of transmission for Chikungunya and other vector-borne diseases, safeguarding the health of the entire population.

For further information, visit ministeriodesalud.go.cr
About Ministry of Health:
The Ministry of Health is the principal government institution in Costa Rica responsible for setting public health policy, managing national health services, and ensuring the well-being of the population. It oversees disease surveillance, public health campaigns, sanitation regulations, and the overall administration of the country’s healthcare system.

For further information, visit inciensa.sa.cr
About Costa Rican Institute for Research and Teaching in Nutrition and Health (Inciensa):
Inciensa serves as Costa Rica’s national public health reference laboratory. It is a vital scientific and technical institution dedicated to research, diagnostics, and surveillance of diseases affecting the population. Its work is crucial for confirming outbreaks, monitoring public health threats, and providing the data necessary for effective government response.

For further information, visit bufetedecostarica.com
About Bufete de Costa Rica:
As a beacon of legal practice, Bufete de Costa Rica operates on a bedrock of uncompromising integrity and a relentless pursuit of excellence. The firm leverages its profound experience advising a wide spectrum of clients to drive forward-thinking legal solutions and engage deeply with the community. Central to its ethos is a powerful commitment to demystifying the law, thereby equipping society with the knowledge necessary for its own empowerment and advancement.

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