Hajj activities are like any crowded affairs such as conventions and exhibitions a good way to assure your safety in case of emergency is avoiding to panic and able to retrieve the right actions to maximize loss prevention. You can retrieve that information from organizers and Hotel staff.
This process start at least a month prior to Haj journey by eating healthy, avoiding junk and high in sugar food you will be able to fight viruses and bacterial infections which are usually a common symptom among pilgrims. You should also consider vitamin supplements give your doctor a visit and will advise you with list of prescriptions for your health journey. 
Getting lost is one of the top safety concerns during Hajj, simple steps can reduce the potential marginally which are always have company, inform organizers of your destination and expected time of arrival. Since Smart phones can not be carried with pilgrams in all times it is wise to carry hotel card with you to find your way back in case you got lost.
Pilagrams come from across the globe with Ebola being a rising concern in Africa , it is only wise to put on the ventilation mask when undertaking activities in crowded areas, you should also bare in mind that those masks are disposables and usually have less than 12 hours validity so take that in to consideration during your usage periods and stock up with the proper amounts depending on the nature of your activity.
Medical emergencies might happen at any time of your journey knowing the routes of nearest medical center can help save lives. Since Hajj demands change in location in a limited period of time its advised to ask officials of the best way to get medical help once needed in all parts of your journey.
The best way to keep safe is by giving your body the rest it needs to carry on functioning well. if you are sleep deprived you more likely to lose your way, get injured using unfamiliar equipment and also effects your immune system ability to fight and secure the health of your body. At least 6 hours of sleep per day would be optimal to maintain Hajj requirements and your overall safety.
With minimal clothing, rocky roads and open areas chances of getting injured, insect bites or even a headache are high. An emergency kit would save you alot of trouble specially when you are not able to reach a clinic to get some proper medical assistance. It would be wise to have a First Aid Kit in your accommodation and carry on as well
In every Pilgrim group there is an assigned medical staff to assist the members in case of an emergency it is important to be in contact with the medical staff to be your additional source of aid once needed.
