The health ministry in Saudi Arabia issued a list of different requirements and included on the list it tells people who are elderly or those that have chronic diseases to not participate at this time in the pilgrimage.
In just Saudi Arabia, thirty-eight people who contracted the virus have died.
Millions from across the globe are expected to take part in the Muslim Hajj in October.
Each year, only once per year, pilgrims who come to Saudi Arabia journey to Mecca to pray together before Kaaba.
Muslims travel to the same site during other times of the year and also visit Mosque of the Prophet, Masjid Al-Nabawi in Medina.
People who were to take part in the pilgrimage were urged by health officials to keep personal hygiene standards up, use a tissue when coughing or sneezing and have the vaccinations that are necessary.
The World Health Organization thus far has been able to confirm 80 cases of MERS and 44 deaths. There could be more cases, but those infected might not have had symptoms bad enough to visit a doctor or medical facility.