Saudi Authorities have launched a health awareness campaign in several languages including Urdu for the Hajj pilgrims.The campaign is being carried out through 97 smart display screens at various locations including Prince Mohammad bin Abdulaziz International Airport, the Haramain High Speed Railway station, shuttle buses, pilgrim reception centers, malls and the health cluster's facilities.Messages cover issues such as the dangers of direct sun exposure, heat exhaustion, dehydration, food poisoning, first aid, personal hygiene and other health topics.Source: Radio Pakistan