Clinical challenges of SARS-CoV-2 variants (Review).

Since the first cases of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, there have been challenges recognizing the clinical features of SARS-CoV-2 and identifying therapeutic options. This has been compounded by viral mutations that affect clinical response and primary epidemiological indicators. Multiple variants of SARS-CoV-2 have been identified and classified on the basis of nomenclature implemented by scientific organizations and the World Health Organisation (WHO).

Respiratory rehabilitation in healing depression and anxiety in COPD patients.

Unlabelled: Chronic Obstructive Pulmonary Disease (COPD) is an inflammatory affection of the whole lung, characterized by an accelerated loss of the pulmonary functions, that reduces the patients' independence and stops them from having a normal, active life. The medical rehabilitation is considered "Third class rehabilitation", after preventive medicine and pharmaceutical medicine, and the respiratory rehabilitation recovery represents a complex structure of service addressing to patients with chronic pulmonary illnesses whose aim is to optimize the physical performances, psycho-social and autonomy.

Aim And Objectives: The main objective of this study is to show the importance of respiratory rehabilitation that is correctly and timely made, based on the gravity and stage of the illness, the COPD patient's associated illnesses and their importance in improving the patient's mental and physical quality of life.