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Traditionally aging is not considered as a cause of death. It is believed that there is always a more direct cause, and usually it is one of many age-related diseases. It is estimated that, as a root cause, the aging process underlies 2/3 of all death in the world
Pneumonia is a common illness affecting approximately 450 million people a year and occurring in all parts of the world. [12] It is a major cause of death among all age groups resulting in 4 million deaths (7% of the world's total death) yearly. [12] [13] Rates are greatest in children less than five, and adults older than 75 years. [12]
Human infectious diseases may be characterized by their case fatality rate (CFR), the proportion of people diagnosed with a disease who die from it (cf. mortality rate).It should not be confused with the infection fatality rate (IFR), the estimated proportion of people infected by a disease-causing agent, including asymptomatic and undiagnosed infections, who die from the disease.
The World Health Organization has reported that, in 2021, "Lower respiratory infections remained the world’s most deadly communicable disease other than COVID-19, ranked as the fifth leading cause of death." However, the number of deaths caused has decreased by around 13% from 2000 to 2021.
These are some of the major causes of an acute cough, according to doctors: Allergens like pet dander, mold, or pollen An upper respiratory infection like the common cold, the flu, or COVID-19
A dry cough is a common symptom of COVID-19, in addition to signs like fever and shortness of breath. Here’s what a dry cough means, and when to see a doctor.
Age over 50 years; Dry, non-productive cough on exertion; Progressive exertional dyspnea (shortness of breath with exercise) Dry, inspiratory bilateral basal crackles on auscultation (a crackling or popping sound in the lungs during inhalation). [3] [12] [13] Clubbing of the digits, a disfigurement of the finger tips or toes (see image)
As you dive into your New Year’s resolutions, taking precautions to protect yourself from a quartet of infectious diseases can lessen your odds of starting off 2025 sick.