Coronavirus is feared to have spread through crowded labour camps in Mecca. The Islamic holy city has seen more than 1,000 reported cases of the virus. Cramped migrant housing could have played a large part in the rate of infection.
They are not citizens, they are immigrants in violation of the residency regime, and they also violate the curfew system
Not slums , But they are in violation of the residence regime in Saudi Arabia , And they keeping violate the quarantine instructions issued in that .
Allah works in mysterious ways. First Allah creates the Corona Virus, then infects his Own House at Kaaba in Mecca, then Allah himself goes into Quarantine. But then, we are mere mortals after all.