The Health Director General said that all parties should refer to and adopt the ventilation system guides suggested by the Health Ministry, Human Resource Ministry and the World Health Organization. He added that there are generally three types of ventilation systems namely natural ventilation, air cooling system without mechanical ventilation and air cooling system with mechanical ventilation (MVAC). "Apart from that, upgrade the air filter in the existing air intake unit to at least MERV-14 as well as using air purifiers with HEPA technology," said Dr Noor Hisham. He then said that for the government's Indoor Air Ventilation and Quality Guidance Manual for Residential/ Non-Residential/ Public Area Settings During the Covid-19 Pandemic, one can refer to https://www. Dr Noor Hisham also said that the WHO Roadmap to Improve And Ensure Good Indoor Ventilation in The Context of Covid-19, March 2021 is at https://www.who.int/publications/i/item/9789240021280.

Source: The Star September 23, 2021 01:07 UTC