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Bacteremia is the presence of bacteria in the bloodstream that are alive and capable of reproducing. It is a type of bloodstream infection. [36] Bacteremia is defined as either a primary or secondary process. In primary bacteremia, bacteria have been directly introduced into the bloodstream. [37] Injection drug use may lead to primary bacteremia.
Bacterial virulence factors, such as glycocalyx and various adhesins, allow colonization, immune evasion, and establishment of disease in the host. [30] Sepsis caused by gram-negative bacteria is thought to be largely due to a response by the host to the lipid A component of lipopolysaccharide , also called endotoxin .
Here's what bacterial meningitis is, ... Common symptoms of viral meningitis include fever, headache, neck stiffness, nausea, vomiting, sensitivity to light and confusion, says Nagata. "In severe ...
A staphylococcal infection or staph infection is an infection caused by members of the Staphylococcus genus of bacteria.. These bacteria commonly inhabit the skin and nose where they are innocuous, but may enter the body through cuts or abrasions which may be nearly invisible.
B. henselae can be associated with bacteremia, bacillary angiomatosis, and peliosis hepatis in HIV patients, and bacteremia and endocarditis in immunocompetent and immunocompromised patients. [6] Symptoms may include fatigue, headaches, fever, memory loss, disorientation, insomnia, and loss of coordination.
Clostridium tertium bacteremia can cause fever, and directed antibiotic therapy is indicated. [3] C. tertium is commonly (but not universally) resistant to many β-lactam antibiotics such as penicillin and cephalosporin; clindamycin; and metronidazole; but it is susceptible to vancomycin, trimethoprim-sulfamethoxazole, and ciprofloxacin. [3]
You can develop viral pneumonia, Liu says, or a secondary bacterial pneumonia. Rarely, influenza can spread to other organs, including the brain where it causes a life-threatening condition called ...
Streptococcus bovis is a group of strains of Gram-positive bacteria, originally described as a species, [5] [6] that in humans is associated with urinary tract infections, endocarditis, sepsis, [7] and colorectal cancer. [8]