MERS-CoV up to 114 confirmed cases

The World Health Organization announced on Saturday it was informed of four additional laboratory-confirmed cases of Middle East respiratory syndrome coronavirus infection in Saudi Arabia, bringing the worldwide total up to 114 cases.

The first was was a 41-year-old female healthcare worker from Riyadh who became ill on August 15. There was no known exposure to animals or to a confirmed MERS-CoV case. The woman's condition deteriorated and she died at the end of August.

The second case was a 30-year-old Saudi male healthcare worker from Riyadh working in the same hospital as the above case. He developed severe pneumonia on September 1 and was in critical condition on Saturday.

The other two cases occurred in the Hafar al-Batin province and were each contacts of confirmed MERS-CoV cases in their family clusters. One case was a 79-year-old woman who developed a respiratory illness on August 21 and passed away on September 2. The other was a 47-year-old Saudi man with a chronic heart condition. He became ill on August 23 and was in critical condition on Saturday.

Since September 2012, the WHO was informed of 114 laboratory-confirmed cases of MERS-CoV infection, including 54 deaths.

The WHO is encouraging all U.N. Member States to continue surveillance for severe acute respiratory infections and to review any unusual patterns carefully.