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What does white snot mean? “Allergies, asthma, and often viral infections cause white phlegm or phlegm without a lot of color to it,” says Dr. Parsons. Depending on the condition, chronic ...
Phlegm can exist in different colors. The color could provide important clues about a person's health. [1] Yellow or green: Indicates an infection often by a virus or bacteria. The color is caused by an enzyme produced by the white blood cells combating the infection. Clear: Indicates allergies. Mucous membranes produce histamines and make more ...
Having green, yellow, or thickened phlegm (sputum) does not always indicate the presence of an infection. Also, if an infection is present, the color of the phlegm (sputum) does not determine whether a virus, a bacterium or another pathogen has caused it. Simple allergies can also cause changes in the color of the mucus. [1]
In 2018, tuberculosis was the leading cause of death worldwide from a single infectious agent. [1] The total number of tuberculosis cases has been decreasing since 2005, while new cases have decreased since 2002. [78] Tuberculosis [clarification needed] incidence is seasonal, with peaks occurring every spring and summer.
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Leading cause of death (2016) (world) The following is a list of the causes of human deaths worldwide for different years arranged by their associated mortality rates. In 2002, there were about 57 million deaths.
The cause of dysentery is usually the bacteria from genus Shigella, in which case it is known as shigellosis, or the amoeba Entamoeba histolytica; then it is called amoebiasis. [1] Other causes may include certain chemicals, other bacteria, other protozoa, or parasitic worms. [2] It may spread between people. [4]