Hyderabad doctors warn Widal test may cause typhoid misdiagnosis amid viral fever surge

Walk into almost any clinic with a fever, and chances are you will leave with a lab report declaring you positive for typhoid. As cases of viral fevers surge during the ongoing season, doctors warn patients that they are being routinely misdiagnosed due to a heavy reliance on Widal test, an antiquated 130-year-old diagnostic tool that is frequently setting off false alarms. Typhoid is endemic in Hyderabad, and a majority of people already carry immunity...