Respiratory Problem, A Severe Threat To World

Relevance: A large sector of people affected by Covid 19 had lost their life or were affected greatly due to pulmonary and respiratory diseases, and the main reason that has to be come out is only lack of immunity within these people’s. This is the reason this article is relevant to prove the cause and reasons for such problems within the public responsible for the cardio vascular or cardio pulmonary diseases. Purpose Of Work: is to find out, according to a review of scientific information, the reasons for the decrease in immunity, and the increased worldwide patients with cardiorespiratory diseases.