Widal Test (Slide Test)- Serum Test for 1 parameters The Widal Test (Slide Test) – Serum is a serological test used to detect antibodies against specific strains of Salmonella bacteria in the blood serum of individuals suspected of having typhoid fever or other Salmonella-related infections. Serum No Fasting Required ₹440Free home sample Book Test Free home sample collection in 60 mins Reports within 3 Hours 10,00,000+Tests done TrustedDoctors 10,00,000+Certified Labs 10,00,000+Pickup-at-home Gallery-