Hello. your daughter can have normal food. word of caution. as Typhoid spreads by contaminated  water or prepared foods ( street foods commonly)  or by eating  raw vegetables grown in sewage farms  please see that she avoids drinking water or eating food from poor hygiene sources. As for vaccine- the oral or injectable typhoid vaccines are not 100 % protective. the efficacy ranges from 55 -  80 % . pl see , booster doeses are to be taken every 2 yrs for injectable vaccine and every 5 yrs for oral one.