<P> Typhidot is a medical test consisting of a dot ELISA kit that detects IgM and IgG antibodies against the outer membrane protein ( OMP ) of the Salmonella typhi . The typhidot test becomes positive within 2 -- 3 days of infection and separately identifies IgM and IgG antibodies . The test is based on the presence of specific IgM and IgG antibodies to a specific 50 Kd OMP antigen , which is impregnated on nitrocellulose strips . IgM shows recent infection whereas IgG signifies remote infection . The most important limitation of this test is that it is not quantitative and result is only positive or negative . Whereas a detailed Widal test can tell the titres of specific antibodies . However both tests lack sensitivity and specificity . The Widal test is losing its value as it is labor - intensive and time-consuming.It is an immunochromatographic test . </P>
<P> Typhidot is a medical test consisting of a dot ELISA kit that detects IgM and IgG antibodies against the outer membrane protein ( OMP ) of the Salmonella typhi . The typhidot test becomes positive within 2 -- 3 days of infection and separately identifies IgM and IgG antibodies . The test is based on the presence of specific IgM and IgG antibodies to a specific 50 Kd OMP antigen , which is impregnated on nitrocellulose strips . IgM shows recent infection whereas IgG signifies remote infection . The most important limitation of this test is that it is not quantitative and result is only positive or negative . Whereas a detailed Widal test can tell the titres of specific antibodies . However both tests lack sensitivity and specificity . The Widal test is losing its value as it is labor - intensive and time-consuming.It is an immunochromatographic test . </P>
what is the difference between widal test and typhidot test
what is the difference between widal test and typhidot test
Typhidot result is only positive or negative . Whereas a detailed Widal test can tell the titres of specific antibodies
Typhidot result is only positive or negative . Whereas a detailed Widal test can tell the titres of specific antibodies