While Mongolia has no mandatory vaccinations required for entry, it will be wise to plan well before your travel begins; some preventive measures will surely help you in the long run. It is important to discuss your existing illness with your doctor and aks for an International Certificate of Vaccination known as the yellow booklet, listing all of the vaccinations you have received, and take it along while you travel.
According to WHO- World Health Organization you should get the following vaccinations for travel to Mongolia: adult diphtheria & tetanus, Hepatitis A & B, measles, mumps & rubella (MMR), typhoid, varicella and for long-term travel you are recommended the following vaccinations: influenza, pneumonia, rabies and TB (tuberculosis).
In winter, the biggest threats are the flu and pneumonia, which spread like wildfire in November. Take some precautions like eating and drinking safe- always use boiled water or sealed bottled water. Mongolia is harshly cold so one should be little careful with Hypothermia – stay as warm as possible.
In the capital Ulaanbaatar, there are of course best health cares readily available with modern facilities but it is wise to choose hospital and doctors carefully.As for health care in the countryside, it can be generalized as poor although medical sector is still trying to improve. While in Mongolia, female travellers are strongly advised to carry tampons and sanitary napkins with them as they aren’t readily available outside main cities. It is a rare case but if you have some serious emergency, you may have to be evacuated to Seoul or Beijing. Another important part of travelling is your insurance, make sure your travel insurance come to rescue recovering your loss.