Symptoms of typhoid fever. The symptoms of typhoid fever usually develop one or two weeks after a person becomes infected with the Salmonella typhi bacteria. With treatment, the symptoms of typhoid fever should quickly improve within three to five days.
Anti-Ro/SSA antibodies may also be the only autoantibodies present in a subset of patients with âantinuclear antibody (ANA)-negativeâ SLE.The anti-Ro/SSA and anti-La/SSB antibody system and the clinical significance of these antibodies are reviewed here.nti-Ro/SSA antibodies may also be the only autoantibodies present in a subset of patients with âantinuclear antibody (ANA)-negativeâ SLE.
An antibody (Ab), also known as an immunoglobulin (Ig), is a large, Y-shaped protein produced mainly by plasma cells that is used by the immune system to neutralize pathogens such as pathogenic bacteria and viruses. The antibody recognizes a unique molecule of the pathogen, called an antigen, via the Fab's variable region.