Three years ago, COVID was a new disease that was hitting the headlines and would lead to a global pandemic and national lockdowns. The benefits of using ventilation to fight the virus were clear from the start, and the vital importance of ventilation in combatting COVID only continued to grow. Specifiers and architects have taken on board the ventilation changes needed for effective infection control, but what do they need to consider going forward? David Cook, Technical Product Manager at Vent-Axia, explains more.