Hemophilus influenzae is a gram-negative bacteria responsible for significant cases of invasive infections, especially in the pediatric population and in immunosuppressed adult patients. Before vaccination, most cases were frequently caused by capsulated or typeable variants. Due to the absence of effective vaccination against the nontypeable variant, it is now responsible for most invasive infections.
View Article and Find Full Text PDFThe species, , causes human paragonimiasis in North America. As a foodborne disease, human infection with occurs after eating raw or undercooked crayfish containing metacercariae. Many risk factors have been described in the literature, including young adult age, male, alcohol consumption, outdoor activities involving rivers within Missouri, and ingesting raw or partially cooked crayfish.
View Article and Find Full Text PDFActinomycosis is an indolent human infectious disease caused by gram-positive anaerobic filamentous bacteria . Despite its sluggish growth, clinical manifestations can be acute or chronic. Over the last five decades, a significant incidence decline in the western world is due to the discovery of effective antimicrobials and improved oral hygiene.
View Article and Find Full Text PDFNontyphoidal (NTS) often cause self-limiting gastroenteritis in adults, known as salmonellosis. Salmonellosis has remained controlled in the United States due to intensive measures. Infrequently, these patients develop bacteremia and local or disseminated infections after salmonellosis.
View Article and Find Full Text PDFHerpes simplex virus (HSV), a human alpha herpes virus, is responsible for most infections caused by herpes viruses worldwide. Among the herpes simplex viruses, both HSV 1 and 2 cause significant morbidity. HSV-2 accounts for most genital infections with extragenital complications involving the groin, thigh, or other pelvic areas.
View Article and Find Full Text PDFIsolated native pulmonic valve infective endocarditis (IE) is a rare occurrence. The most commonly involved valves in injection drug users are the tricuspid valve followed by mitral and then aortic valves. Most reported cases of methicillin-resistant (MRSA) IE involve multiple valves.
View Article and Find Full Text PDFHemophagocytic lymphohistiocytosis (HLH) is also known as hemophagocytic syndrome. It is a lethal hematologic condition due to a dysregulated immune response which results in inappropriately activated macrophages damaging host tissues. Based on the etiology, HLH can be primary (genetic) or secondary (acquired).
View Article and Find Full Text PDFWe describe a case of secondary syphilis presenting with osteomyelitis and tenosynovitis of the thumb. With appropriate therapy, the patient's symptoms resolved and seroreversion occurred. MRI showed improvement with treatment.
View Article and Find Full Text PDFspp., formerly ., are gram-negative, non-motile, traditionally opportunistic pathogens that are infrequent clinical isolates.
View Article and Find Full Text PDF