The president of Arak University of Medical Sciences said: bakeries, public transportation services and factories should consider health protocols more.

According to Webda Markazi, Dr. Seyed Mohammad Jamalian added: "The rate of the infection in these groups is higher than others, and therefore we ask them to follow health protocols more than before."

Dr. Jamalian further addressed the people and managers of the executive organs and pointed out: pay more attention to air conditioning, because as the weather becomes cool and the temperature decreases, the presence of a carrier, even with a mask, in a closed space, in the absence of proper ventilation. It can be dangerous.