Our results indicated that influenza vaccination rates are low in our whole HCP sample, with physicians having a slightly better rate than other HCP. Getting regularly vaccinated, having an educational level of college or higher, being a physician, and having a professional experience of more than 5 years positively affects the rate of future vaccinations. Physicians significantly more commonly recommended and prescribed the influenza vaccine than the pneumococcal vaccine. The most important reasons for getting vaccinated included having the opinion that the vaccine provided partial protection and intending to protect family members from infection. In our whole HCP sample, the reasons of not getting vaccinated against influenza included fear of vaccine's adverse effects and doubts about its efficacy and safety. Training meetings should be held for HCPs to underscore the importance of the influenza vaccine for protection of patients against the influenza.

Our findings demonstrated that acute cardiac events are seen in a substantial proportion of patients with severe CAP and their occurence significantly associated with in-hospital mortality.

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Chronic obstructive pulmonary disease (COPD) is a complex disease that is associated with devastating outcomes resulting from lung involvement and several comorbidities. Comorbidities could impact on symptomology, quality of life, the complications, the management, economic burden and the mortality of the disease. The importance of comorbidities originates from their impact on the outcome of COPD. The most frequent comorbidities in COPD are cardiovascular, endocrinological, musculoskeletal, phycological disorders and lung cancer. Almost 50% of the COPD patients have 3 or more comorbidities. The recent Global Initiative of Obstructive Lung Disease (GOLD) Guideline suggested proactive search and the treatment of the comorbidities. However, there is no certain evidence demonstrating that active treatment of comorbidities improve the outcomes of COPD. However, it is well known that several comorbidities such as cardiovascular disease and lung cancer have greater impact on mortality caused by COPD. Several studies have shown that Charlson Comorbidity index or more recenty COPD Specific Comorbidity Index (COTE) has been found to be related with mortality of COPD. This concise review intended to summarize the most frequent comorbidities in association with their impact on COPD.