Background Seroprevalence of Rickettsial Infections in Myanmar

Detailed Summary

Rickettsial infections have been found to be the second most common cause of non-malarial febrile illness in Southeast Asia, just after dengue, and are largely neglected treatable causes of morbidity and mortality. The rickettsiae can be divided into three major groups: the scrub typhus group (STG), the typhus group (TG) and the spotted fever group (SFG). Rickettsial infections typically present with an acute fever and are difficult to diagnose due to the many different causes of undifferentiated fever in Southeast Asia. Rickettsial IgG seroprevalence, reflecting past infection, will give an estimate of the burden of rickettsial infections in the population. Background seroprevalence studies in countries around Myanmar have found high rates of rickettsial infections. Yet, in Myanmar there have been no prevalence studies on rickettsial infections since the Second World War. We plan to determine IgG levels to the three different groups of rickettsial infections in leftover blood samples in several clinics and hospitals in different regions of Myanmar.

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