In-depth: How can we improve ventilation to prevent COVID-19 and TB?

In-depth: How can we improve ventilation to prevent COVID-19 and TB?

Ventilation plays an important role in preventing the transmission of airborne diseases but currently, ventilation standards for buildings are focused on preventing odours in spaces, instead of preventing disease transmission. Elri Voigt spoke to two experts about the role of ventilation in the transmission of airborne diseases such as tuberculosis and COVID-19 and what can be done to improve ventilation in buildings.

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Medical oxygen: The fascinating journey of a life-saving gas

Medical oxygen: The fascinating journey of a life-saving gas

Even in ‘normal’ times a reliable supply of medical oxygen is an essential part of healthcare services, but during COVID-19 surges the need for this life-sustaining gas has spiked to unprecedented levels. Tiyese Jeranji explores the fascinating science and engineering that facilitates this substance’s long journey from a production plant to a person’s lungs.

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