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.
Hepatitis B surface antigen (HBsAg) is the first serologic marker, appearing in the serum 6 to 16 weeks following HBV infection. In acute cases, HBsAg usually disappears 1 to 2 months after the onset of symptoms with the appearance of hepatitis B surface antibody (anti-HBs).