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Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2.The first known case was identified in Wuhan, China, in December 2019. Most scientists believe the SARS-CoV-2 virus entered into human populations through natural zoonosis, similar to the SARS-CoV-1 and MERS-CoV outbreaks, and consistent with other pandemics in human history.
Some contemporary antimicrobial resistances have also evolved naturally before the use of antimicrobials of human clinical uses. For instance, methicillin-resistance evolved as a pathogen of hedgehogs, possibly as a co-evolutionary adaptation of the pathogen to hedgehogs that are infected by a dermatophyte that naturally produces antibiotics.
Cholera ( / ˈkɒlərə /) is an infection of the small intestine by some strains of the bacterium Vibrio cholerae. [4] [3] Symptoms may range from none, to mild, to severe. [3] The classic symptom is large amounts of watery diarrhea lasting a few days. [2] Vomiting and muscle cramps may also occur. [3]
The regional divisions of WHO were created between 1949 and 1952, following the model of the pre-existing Pan American Health Organization, and are based on article 44 of the WHO's constitution, which allowed the WHO to "establish a [single] regional organization to meet the special needs of [each defined] area". Many decisions are made at the ...
The model has received empirical support across cultures. [46] [47] [48] The Mental Health Continuum-Short Form (MHC-SF) is the most widely used scale to measure the tripartite model of mental well-being.
Corn smut is a plant disease caused by the pathogenic fungus Ustilago maydis.One of several cereal crop pathogens called smut, the fungus forms galls on all above-ground parts of corn species such as maize and teosinte.
Yogurt (UK: / ˈ j ɒ ɡ ər t /; US: / ˈ j oʊ ɡ ər t /, from Ottoman Turkish: یوغورت, romanized: yoğurt; also spelled yoghurt, yogourt or yoghourt) is a food produced by bacterial fermentation of milk.