Asthma is a disease that can be easily controlled through the correct use of medications, yet in many low-and-middle-income countries like South Africa, many still die due to lack of effective management of this disease. According to estimates from the Global Asthma Report 2022, South Africa ranks third out of 28 low-and-middle-income countries for asthma-related mortality. Elri Voigt unpacks the state of asthma in the country.
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.
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.
