Microbiology True statement about Widal test in typhoid is- A O-antigen titre remains positive for several months & reaction to it is rapid B H-antigen titre remains positive for several months & reaction to it is rapid C Both remain positive for several months & reaction to both is rapid D None 💡 Explanation True statement about Widal test in typhoid is- ✓ Correct Answer: B. H-antigen titre remains positive for several months & reaction to it is rapid