छत्तीसगढ़ में सांस से जुड़ी बीमारियों के मरीजों में 20 से 30 फीसदी आई कमी
source https://www.bhaskar.com/local/chhattisgarh/raipur/news/wearing-a-mask-to-avoid-corona-infection-the-benefit-was-that-the-patients-of-asthma-cough-and-tb-respiratory-allergy-were-reduced-128837210.html
source https://www.bhaskar.com/local/chhattisgarh/raipur/news/wearing-a-mask-to-avoid-corona-infection-the-benefit-was-that-the-patients-of-asthma-cough-and-tb-respiratory-allergy-were-reduced-128837210.html
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