So far there have been 28 coronavirus MERS cases in May including a continuing large cluster in Hafoof and geographical spread to UAE, Bahrain, South Korea and Qatar (in addition to Saudi Arabia):
#1127 - Male, 35, Saudi, critical, Khamis Mushayet, Saudi Arabia
#1128 - Male, 41, Expat, critical, Huraymiela, Saudi Arabia
#1129 - Male, 39, Saudi, nosocomial infection, critical, Hafoof, Saudi Arabia
(#1130 is a case in Iran that occurred in April)
#1131 - Male, 48, Saudi, critical, Taif, Saudi Arabia
#1132 - Male, 61, Expat, announced as died, Najran, Saudi Arabia Death
#1133 - Male, 75, Saudi, stable, Abgig, Saudi Arabia
#1134 - Male, 30, Saudi, family cluster, stable, Hafoof, Saudi Arabia
#1135 - Female, 24, Saudi, family cluster, stable, Hafoof, Saudi Arabia
#1136 - Female, 59, Saudi, family cluster, stable, Hafoof, Saudi Arabia
#1137 - Female, 30, Saudi, family cluster, stable, Hafoof, Saudi Arabia
#1138 - Male, 74, Saudi, nosocomial infection, announced as death, Taif, Saudi Arabia Death
#1139 - Male, 38, Expat, critical, Riyadh, Saudi Arabia
#1140 - Male, 33, Expat, stable, Riyadh, Saudi Arabia
#1141 - Male, 71, Saudi, critical, Riyadh, Saudi Arabia
#1142 - Male, 46, Expat, stable, Riyadh, Saudi Arabia
#1143 - Male, 36, Saudi, household contact with a confirmed case, stable, Jeddah, Saudi Arabia
#1144 - Male, 31, Saudi, household contact with a confirmed case, stable, Hafoof, Saudi Arabia
#1145 - Male, 66, Saudi, stable, Qunfuthab, Saudi Arabia
#1146 - Female, 59, Expat, stable, Riyadh, Saudi Arabia
#1147 - Female, 73, Saudi, announced as death, Al-Aflaj, Saudi Arabia Death
#1148 - Male, 29, Expat, tested positive after transporting camels May 12, UAE
#1149 - Male, 68, stable condition, hospitalized in South Korea, recent travel from Bahrain
#1150-1151 - 2 cases confirmed by UAE ministry of health on May 20, 2015 (One of these cases could be #1148 - waiting for WHO clarification.)
#1152 - Female, wife of case #1149, South Korea
#1153 - Male, 76, South Korea
#1154 - Male, 48, critical, contact of previous case, Hafoof, Saudi Arabia
#1155 - Male, 27, stable, works with camels, Qatar
Source: FluTrackers coronavirus MERS Case List link.
#1127 - Male, 35, Saudi, critical, Khamis Mushayet, Saudi Arabia
#1128 - Male, 41, Expat, critical, Huraymiela, Saudi Arabia
#1129 - Male, 39, Saudi, nosocomial infection, critical, Hafoof, Saudi Arabia
(#1130 is a case in Iran that occurred in April)
#1131 - Male, 48, Saudi, critical, Taif, Saudi Arabia
#1132 - Male, 61, Expat, announced as died, Najran, Saudi Arabia Death
#1133 - Male, 75, Saudi, stable, Abgig, Saudi Arabia
#1134 - Male, 30, Saudi, family cluster, stable, Hafoof, Saudi Arabia
#1135 - Female, 24, Saudi, family cluster, stable, Hafoof, Saudi Arabia
#1136 - Female, 59, Saudi, family cluster, stable, Hafoof, Saudi Arabia
#1137 - Female, 30, Saudi, family cluster, stable, Hafoof, Saudi Arabia
#1138 - Male, 74, Saudi, nosocomial infection, announced as death, Taif, Saudi Arabia Death
#1139 - Male, 38, Expat, critical, Riyadh, Saudi Arabia
#1140 - Male, 33, Expat, stable, Riyadh, Saudi Arabia
#1141 - Male, 71, Saudi, critical, Riyadh, Saudi Arabia
#1142 - Male, 46, Expat, stable, Riyadh, Saudi Arabia
#1143 - Male, 36, Saudi, household contact with a confirmed case, stable, Jeddah, Saudi Arabia
#1144 - Male, 31, Saudi, household contact with a confirmed case, stable, Hafoof, Saudi Arabia
#1145 - Male, 66, Saudi, stable, Qunfuthab, Saudi Arabia
#1146 - Female, 59, Expat, stable, Riyadh, Saudi Arabia
#1147 - Female, 73, Saudi, announced as death, Al-Aflaj, Saudi Arabia Death
#1148 - Male, 29, Expat, tested positive after transporting camels May 12, UAE
#1149 - Male, 68, stable condition, hospitalized in South Korea, recent travel from Bahrain
#1150-1151 - 2 cases confirmed by UAE ministry of health on May 20, 2015 (One of these cases could be #1148 - waiting for WHO clarification.)
#1152 - Female, wife of case #1149, South Korea
#1153 - Male, 76, South Korea
#1154 - Male, 48, critical, contact of previous case, Hafoof, Saudi Arabia
#1155 - Male, 27, stable, works with camels, Qatar
Source: FluTrackers coronavirus MERS Case List link.