AIIMS Delhi Director Dr Randeep Guleria on November 05 said that the pollution can lead to more severe cases of COVID-19. “Pollution has a huge effect on respiratory health especially on people with lung diseases, asthma as their disease worsens. Pollution can also lead to more severe cases of COVID,” Randeep Guleria. br br दिल्ली और राष्ट्रीय राजधानी क्षेत्र (Delhi-NCR) में हवा की गुणवत्ता (Air Pollution) बहुत ज्यादा खराब हो गई.