The uncertainty surrounding the current pandemic situation, with daily cases hovering around 4,000 to 5,000 cases, is still a cause for concern even after three weeks of a nationwide total lockdown.

The number of Covid-19 hospitals and quarantine and low-risk treatment centres (PKRC) have been increased in an effort to ensure adequate health facilities across the country to cater to Covid-19 patients.

Ventilation in wards or...