hello Dr. my widal test serum report is- salmonella typhe O =result=1:80 , Unit-Agglutination titre,salmonella typhe H =result=1:80 ,Unit-Agglutination titre, salmonella paratyphe A - H = Negative ( 1:20 Titre) ,salmonella paratyphe B - H = Negative ( 1:20 Titre) ,so i want to know typhoid is positive or negative please help me