Outbreak

HPS/HCPS: Focus on Supportive Care as Hondius Andes Outbreak Continues

Medical teams on the MV Hondius Andes and supporting facilities in Praia emphasize critical supportive care and advanced interventions like ECMO for severe Hantavirus Pulmonary Syndrome (HPS/HCPS) cases, with mortality linked primarily to cardiovascular collapse and respiratory failure.

HCD

Hantavirus Cruise Desk

Outbreak Tracking Team · October 14, 2026 · 5 min read

HPS/HCPS: Focus on Supportive Care as Hondius Andes Outbreak Continues

Standardizing Clinical Protocols for Hantavirus Patients

PRAIA, CAPE VERDE – As the hantavirus outbreak aboard the MV Hondius Andes continues, clinical care protocols for Hantavirus Pulmonary Syndrome (HPS), also known as Hantavirus Cardiopulmonary Syndrome (HCPS), remain centered on aggressive supportive measures. With no specific antiviral treatment available for this severe disease, medical teams on the cruise vessel and in onshore facilities are focused on managing symptoms and supporting vital organ function to improve patient outcomes. The primary drivers of morbidity and mortality in HPS/HCPS are rapid-onset pulmonary edema and cardiovascular collapse, often stemming from increased capillary permeability and direct cardiac dysfunction. "The acute phase of HPS/HCPS is characterized by a swift progression from non-specific symptoms to severe respiratory distress and circulatory shock," stated an unnamed medical officer involved in the response, speaking generally on the disease's presentation.

The Cornerstone of Treatment: Supportive Care

Supportive care is the bedrock of HPS/HCPS management. This includes careful fluid management to prevent exacerbation of pulmonary edema while maintaining adequate perfusion. Respiratory support is critical, ranging from supplemental oxygen to non-invasive ventilation, and, for severe cases, invasive mechanical ventilation. Clinicians must carefully balance fluid input and output, often guided by hemodynamic monitoring, to avoid both hypovolemia and fluid overload that could worsen lung function. In cases where cardiac function is bigly impaired, vasoactive medications such as inotropes and vasopressors are used to maintain blood pressure and organ perfusion. This delicate balance is crucial, as the heart is often directly affected by the viral infection, leading to decreased contractility and cardiogenic shock.

ECMO: A Lifeline for Severe Cases

Extracorporeal membrane oxygenation (ECMO) has emerged as a vital intervention for the most critically ill HPS/HCPS patients who don't respond to conventional mechanical ventilation and circulatory support. ECMO provides temporary cardiac and respiratory support by oxygenating the blood outside the body, allowing the patient's lungs and heart to rest and recover. The availability and deployment of ECMO units are a bigly consideration in managing severe cases originating from the Hondius Andes, with specialized teams and equipment reportedly being mobilized or on standby in relevant medical centers. Yet, ECMO is an intensive, resource-heavy intervention associated with its own risks, including bleeding, infection, and neurological complications. Patient selection criteria are stringent, typically reserved for those with reversible lung and/or heart failure where other therapies have failed. The logistical challenges of deploying and managing ECMO for potentially multiple patients, especially in a constrained environment like a ship or in rapidly established field hospitals, are considerable.

Mortality Drivers and Prognosis Factors

Mortality in HPS/HCPS is predominantly driven by profound hypoxemia due to pulmonary edema and cardiogenic shock. Other factors contributing to adverse outcomes include refractory acidosis, multi-organ failure, and secondary infections, although the latter is less common than in other severe respiratory syndromes. Early recognition of the disease and timely initiation of intensive supportive care are paramount to improving prognosis. Despite advancements in critical care, HPS/HCPS can still be fatal in a bigly proportion of cases, particularly when diagnosis is delayed or medical resources are overwhelmed. The experience from previous outbreaks globally, as documented by organizations like the US CDC, underscores the need for strong critical care infrastructure and trained personnel to manage these complex patients effectively. Medical authorities continue to stress the importance of infection control measures to protect healthcare workers and prevent further transmission, even as they focus on the demanding clinical needs of those already infected.The long-term recovery for survivors can vary, with some experiencing prolonged weakness and reduced lung capacity. Comprehensive follow-up data from this specific outbreak are not yet released.