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Inhalation of these pathogens affects the respiratory system and can then spread to the rest of the body. Sinus congestion, coughing and sore throats are examples of inflammation of the upper respiratory airway. Air pollution plays a significant role in airborne diseases. Pollutants can influence lung function by increasing air way inflammation ...
It spreads fast and far on surfaces and through the air in tiny droplets of vomit. Most people fully recover, but only after days of misery. Because it mutates, people can get sick with a ...
The International Classification of Diseases (ICD) is a globally used medical classification used in epidemiology, health management and for clinical purposes.The ICD is maintained by the World Health Organization (WHO), which is the directing and coordinating authority for health within the United Nations System. [1]
Many viruses spread in the air by coughing and sneezing, including influenza viruses, SARS-CoV-2, chickenpox, smallpox, and measles. Norovirus and rotavirus , common causes of viral gastroenteritis , are transmitted by the faecal–oral route , passed by hand-to-mouth contact or in food or water.
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Pandemics timeline death tolls. This is a list of the largest known epidemics and pandemics caused by an infectious disease in humans. Widespread non-communicable diseases such as cardiovascular disease and cancer are not included.
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Typhoid fever, also known simply as typhoid, is a disease caused by Salmonella enterica serotype Typhi bacteria, also called Salmonella typhi. [2] [3] Symptoms vary from mild to severe, and usually begin six to 30 days after exposure.