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 e-antigen (HBeAg) is an HBV protein that is only present during an active HBV infection. 2  This test determines how contagious you are. 3  Testing for this antigen can also be used to monitor the effectiveness of treatment for HBV. 4  HBV DNA testing checks for genetic material (DNA) from the hepatitis B virus.