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Rickettsia typhi is a small, aerobic, obligate intracellular, rod shaped, gram negative bacterium. [1] R. typhi is a zoonotic bacterium that is recognized as a biocontainment level 2/3 organism (dependent upon the tissue being worked with).
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. [4] [5] Often there is a gradual onset of a high fever over several days. [4]
Autism spectrum disorder [a] (ASD), or simply autism, is a neurodevelopmental disorder "characterized by persistent deficits in social communication and social interaction across multiple contexts" and "restricted, repetitive patterns of behavior, interests, or activities". [11]
Concerns about thiomersal and vaccines are commonly expressed by anti-vaccine activists. Claims relating to the safety of thiomersal, a mercury-based preservative used in vaccines, are refuted, but still subject to fearmongering, notably claims it could cause neurological disorders such as autism, leading to its removal from most vaccines in the US childhood schedule. [1]
Autistic masking is the act of concealing autistic traits to come across as neurotypical, as if behind a mask. Autistic masking, also referred to as camouflaging, is the conscious or subconscious suppression of autistic behaviors and compensation of difficulties in social interaction by autistic people, with the goal of being perceived as neurotypical.
Murine typhus is caused by flea bites so take steps to avoid fleas. This can be done by making sure pets do not have fleas and if they do, treat them, stay away from wild animals, use insect repellent to keep fleas away, and wear gloves when dealing with sick or dead animals. Take steps to ensure rodents or other wildlife do not get into your home.
Typhoid vaccines are vaccines that prevent typhoid fever. [1] [2] [3] Several types are widely available: typhoid conjugate vaccine (TCV), Ty21a (a live oral vaccine) and Vi capsular polysaccharide vaccine (ViPS) (an injectable subunit vaccine). They are about 30 to 70% effective in the first two years, depending on the specific vaccine in ...
Turner syndrome patients have only one X chromosome which can be either maternal or paternal in origin. When 80 females with monosomy X were tested for measures of social cognition, the patients with a paternally derived X chromosome performed better than those with a maternally derived X chromosome. Males have only one X chromosome, derived ...