Public health is visible throughout a cruise operation.
What is less visible is the capability behind it.
Good public health performance is an expectation of every cruise line and ship management company. But expectation, in itself, does not create performance.
Larger and more established organisations have clearly defined procedures and responsibilities, supported by a framework of formal processes and continuous oversight. Smaller or less established companies may rely more heavily on regulatory requirements as the basis for their procedures, rather than developing processes tailored to their own operations and risks, alongside periodic training or external expertise when a particular need arises.
It is easy to view these differences critically. However, organisations develop in different ways, and public health systems do not necessarily mature at the same pace as the operation they support.
The governance structures of the largest cruise lines were not created overnight. They are the product of decades of investment, operational experience, organisational learning and, often, considerable reconfiguration along the way. Expecting a smaller operator, or a new entrant to the industry, to have reached the same level of maturity from the outset is neither realistic nor particularly reasonable.
The more important question is not whether every company has reached the same level of maturity in public health, but whether its leadership team understands the strength of its current arrangements, what they provide, and where they need to develop.
As we explored in earlier articles, public health is not simply a collection of procedures, training courses or compliance activities. It is a capability that delivers structure, expertise, oversight and assurance, while helping a company understand and manage the public health risks inherent in its operation.
But what does that mean in practice?
Information Is Not Assurance
In general, cruise lines have considerable public health information available to them, even if it is not always fully utilised. Reports, inspections, incident data, communicable disease surveillance, environmental sampling, training records, corrective actions and employee feedback all contribute to building a picture of performance.
However, without a function responsible for bringing this information together, analysing it and interpreting what it means, much of its value is lost. More importantly, an effective public health function should not simply explain what has already happened. It should help leadership recognise what may require attention before it becomes a more serious issue.
Executive leadership cannot see onboard operations in their entirety. The information available to them comes through the various systems and managers responsible for reporting and overseeing execution. Each offers a view of the operation, but the power lies in understanding what those views collectively reveal.
A series of relatively minor observations, changes in operational practice or recurring corrective actions may not individually demand executive attention. Taken together, however, they may indicate that an underlying process is beginning to drift.
Change is also one of the points at which organisational capability is tested most. New vessels, personnel, regulatory updates and shifts in departmental responsibilities can all introduce variation. A public health function provides continuity through those changes, helping leadership identify what needs to adapt without losing sight of what needs to remain consistent.
The challenge, therefore, is not simply to have the information, but to recognise its significance when considered holistically.
This becomes particularly important when distinguishing between the absence of a problem and having sufficient evidence to conclude that a risk is being appropriately addressed.
Public health activities manage both individual and collective health hazards. Inspections identify deficiencies, training develops competence, procedures define requirements and expectations, monitoring provides evidence of performance, and corrective actions address identified gaps. A public health function connects these activities, providing the organisational judgement needed to determine whether they are collectively achieving their intended purpose.
The value, then, of this function lies in providing leadership with an informed view of whether its operations remain capable of managing public health risks effectively and consistently. Sustaining that performance is as important as achieving it.
Assurance is therefore not another activity alongside inspection, training or monitoring. It is the confidence that comes from knowing those activities are working together as intended, that the risks are being controlled, and that there is sufficient evidence to support that conclusion.
From Information to Organisational Oversight
A public health function does not simply manage public health activities; it gives leadership a reliable organisational perspective.
Responsibility for food safety, water safety, communicable disease management and other related areas may quite appropriately sit across different departments and operational teams. What is crucial is that those activities do not remain isolated from one another.
The function should provide leadership with a clear view of whether expectations remain understood, performance is being sustained, recurring issues are becoming patterns, and emerging risks require attention. It should also ensure that changes in regulation, operations or business structure are reflected in how public health is managed, both onboard and ashore.
This is where oversight differs from observation. Observation tells leadership what has happened. Oversight considers what it means, whether it is consistent with leadership’s expectations, and whether anything needs to change as a result.
An effective function brings something individual departments cannot achieve on their own: a view of the public health system as a whole.
What Leadership Can Rely On
This is why public health should not be seen solely as an operational responsibility to be shared across various departments. Public health knowledge can otherwise become dependent on individuals: a specific manager, a seasoned Public Health Officer or someone who has dealt with a particular issue before. An effective function helps turn that individual experience into organisational knowledge that can be retained, applied and built upon.
Leadership does not need to know every detail of each public health activity taking place. Nor should it. It relies on the Finance Department without reviewing every transaction and on the Technical Department without personally overseeing every repair. The purpose of those functions is to provide the framework, expertise and oversight needed to allow informed decisions to be made without requiring executives to manage every underlying detail themselves.
Public health is no different.
How public health is managed does not have to look the same in every organisation. Nor does every company need to replicate the governance structure of the largest cruise operators. What is important, however, is that responsibility, expertise and perspective sit somewhere within the business to bring the available evidence together.
When this is working well, the function’s contribution may be largely invisible. There may be no significant intervention and no obvious achievement to point to. That is, in many respects, the nature of public health: its greatest successes are often the problems that never occur.
Instead, leadership has a clearer view of its public health performance, where attention may be required, and whether the arrangements remain fit for duty.
It turns public health from a collection of activities into a capability that leadership can understand, oversee and, ultimately, rely upon.