Words similar to person-to-person
Example sentences for: person-to-person
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Sexual contact was retained as a separate category apart from other person-to-person fecal exposures since, unlike exposure to diapers and individuals in diapers, it may or may not involve exposure to feces.
Within infectious diseases, these might include diseases spread by airborne dissemination in residential areas, by contaminated foods or water distributed to residents of a neighborhood, by insect or other animal vectors, or by person-to-person transmission in households (secondary spread).
Since human infection with Cryptosporidium parvum was first documented in 1976 [ 1 ] , this protozoan parasite has been recognized worldwide as a major cause of diarrheal disease in humans [ 2 ] . In healthy, immunocompetent persons, C. parvum causes a self-limited diarrheal illness (cryptosporidiosis); however, in persons with severe immunosuppression, particularly those infected with the human immunodeficiency virus (HIV) and who have developed acquired immunodeficiency syndrome (AIDS), the diarrhea can be prolonged, severe, and life-threatening [ 3 4 ] . Currently there are no effective chemotherapeutic agents against cryptosporidiosis [ 5 ] . Cryptosporidium oocysts are found in the feces of infected humans, livestock, and wild animals [ 6 ] . Humans acquire the infection through person-to-person or animal-to-person contact, ingestion of fecally-contaminated water or food, or contact with fecally-contaminated environmental surfaces [ 7 ] .
Its relative virulence and potential for person-to-person transmission distinguishes Mycobacterium tuberculosis . Persons infected with the human immunodeficiency virus (HIV) are particularly susceptible to tuberculosis, either by the reactivation of latent infection or by a primary infection with rapid progression to active disease [ 1 2 3 4 ] . The annual incidence rate of tuberculosis in Colombia during 1998 was 19.
In addition, studies that aim to assess the impact of travel to endemic countries will also need to conceptualize the myriad causal pathways and the possible role of each route of transmission, e.g. waterborne, foodborne, person-to-person, comprising the complex web of factors that are responsible for traveler's diarrhea.
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