Table 3 Responses to items on aspects of vaccination history and the average duration of stay in Makkah and Madinah (n = 1012). Vaccination History & Length of Stay Frequency Percent (%) History of vaccination (before travel) * Not vaccinated 242 24 Influenza vaccine 514 50.8 Hepatitis A virus vaccine (HAV) 326 32.2 Hepatitis B virus vaccine (HBV) 310 30.6 Rabies vaccination 248 24.5 Meningitis vaccination 418 41.3 Poliomyelitis 285 28.1 Pertussis 254 25.1 Duration of stay in Makkah <1 week 218 21.5 1 week but <2 weeks 660 65.2 2 weeks–or more 134 13.2 Duration of stay in Madinah <1 week 614 60.6 1 week but <2 weeks 366 36.2 2 weeks or more 32 3.2 * multiple answers were allowed.