While the initial focus of controlling the COVID-19 pandemic in hospitals involved sanitizing surfaces, scrutiny now has turned in large part to the role of HVAC systems and, in particular, air filters.

Hospital HVAC systems play an integral role in limiting the transmission of infectious diseases to other patients, healthcare staff and visitors, according to Health Facilities Management. The HVAC system is by no means the only safeguard to protect doctors and nurses from getting infected. The role of the appropriate personal protective equipment (PPE) is extremely important in providing the first level of defense. But an enhanced HVAC system design will minimize the recirculation of COVID-19-contaminated air in the hospital air distribution system.

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