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Vaccine-induced seropositivity (VISP) is the phenomenon wherein a person who has received a vaccine against a disease would thereafter give a positive or reactive test result for having that disease when tested for it, despite not actually having the disease.
Detectable seroconversion and the timeline of seroconversion are among of the parameters studied in evaluating the efficacy of vaccines. A vaccine does not need to have a 100% seroconversion rate to be effective. As long as a sufficient proportion of the population seroconverts, the entire population will be effectively protected by herd ...
The US Food and Drug Administration has greenlit the first test for chlamydia and gonorrhea that will allow users to collect samples at home. After HIV, this is the first FDA-authorized test that ...
Chlamydia, or more specifically a chlamydia infection, is a sexually transmitted infection caused by the bacterium Chlamydia trachomatis. [3] Most people who are infected have no symptoms. [ 1 ] When symptoms do appear, they may occur only several weeks after infection; [ 1 ] the incubation period between exposure and being able to infect ...
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The Cologuard Plus test will build on the Cologuard test, which has been used more than 17 million times. The Cologuard test is a first-line colorectal cancer screening test for adults age 45 or ...
All people testing positive for gonorrhea should be tested for other sexually transmitted infections such as chlamydia, syphilis, and human immunodeficiency virus. [36] Studies have found co-infection with chlamydia ranging from 46 to 54% in young people with gonorrhea.
Chlamydia Elementary body (EB)-ELISA could be used to stratify different stages of infection based upon Immunoglobulin-γ status of the infected individuals [35] Direct fluorescent antibody test also finds Chlamydia antigens. Chlamydia cell culture is a test in which the suspected Chlamydia sample is grown in a vial of cells. The pathogen ...