South Sudan - Mali - Burkina Faso - Guinea - Guinea-Bissau - Nigeria - Ethiopia - Ivory Coast - Niger - Benin - Cameroon - Chad - Eritrea - Gambia - Senegal - Central Republic of Africa) shall be given the preventive treatment in the entry ports of the Kingdom, adding to the vaccination given to them in their respective countries. Regarding polio, Dr. Ziad Memish recommended the visitors coming from the following countries: Pakistan - Afghanistan - Nigeria - Cameroon - Niger - Chad - Ethiopia - Syria - Somalia - Kenya - Yemen - Palestine - ( Gaza Strip, West Bank, Arabs of 1948) to provide a certificate to prove they have already vaccinated with oral polio vaccine (OPV) six weeks before coming to the Kingdom of Saudi Arabia and they shall be given another dose of OPV upon arrival at the Kingdom regardless of their age. He said that the Ministry of Health recommends that international pilgrims be vaccinated against seasonal influenza before arrival into the Kingdom of Saudi Arabia, particularly those at increased risk of severe influenza diseases, including pregnant women, children under 5 years, the elderly, and individuals with underlying health conditions such as HIV/AIDS, asthma, and chronic heart or lung diseases. The Health Ministry also recommended that Health authorities in countries of origin are required to provide information to pilgrims on infectious diseases symptoms, methods of transmission, complications, and means of prevention. Hajj and Umrah performers are not allowed to bring fresh food in the Kingdom of Saudi Arabia. Only properly canned or sealed food or food stored in containers with easy access for inspection is allowed in small quantities, sufficient for one person for the duration of his or her trip. In the event of a public health emergency of international health concern, or in the case of any disease outbreak subject to notification under the International Health Regulations, the health authorities in the Kingdom of Saudi Arabia shall undertake additional preventive precautions (not included in the measures mentioned above) following consultation with WHO and necessary to avoid the spread of infection during Hajj or on return to their country of origin.