Are workplaces safe from airborne Covid-19 transmissions?

KUALA LUMPUR (June 8): When was the last time the ventilation and air-conditioning system in your workplace was serviced? The issue pertaining to the proper maintenance of indoor cooling and ventilation systems has become all the more pertinent now in the wake of international scientific proof that SARS-CoV-2 – that causes COVID-19 – can spread through the air.