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.
1 Hepatitis B core antibody (HBcAb) is an antibody to the hepatitis B core antigen that appears about 1 month after the start of an active HBV infection. 2  It can be found in people who had an infection in the past and in those with long-term (chronic) HBV.3  It usually is present for life. Blood banks test for this antibody when screening donated blood for hepatitis B. 2  Hepatitis B core antibody IgM (HBcAbIgM) is another antibody to the hepatitis B core antigen. 3  It indicates an HBV infection that has occurred within the last 6 months.