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About Middle East Respiratory Syndrome (MERS)

Final update date March 8, 2019

About Middle East Respiratory Syndrome (MERS)

  • MERS is an MERS coronavirus infection that was first identified in 2012.
  • Transmission route…How humans become infected with MERS is not yet known exactly. dromedary camels are considered to be one of the sources of MERS virus infection. On the other hand, many patients have no history of contact with animals. Infections have also been reported between close contacts, such as between families, between patients in medical institutions where infection control is inadequate, and between patients and healthcare professionals.
  • incubation period, symptoms…After an incubation period of about 2 to 14 days, most patients have pneumonia due to severe fever and acute respiratory symptoms. It is said that some patients may be mildly ill or whose findings may be irregular.
  • Treatment method…Currently, there is no vaccine or specific treatment for MERS. Treatment according to the patient's symptoms (symptomatic treatment).
  • Preventive Prevention…When traveling abroad, it is important to check the epidemic situation at the destination, and to take general hygiene measures such as encouraging hand washing and avoiding contact with animals.

To the citizens

Those who fall under the following symptoms and patient background do not consult a medical institution directly. First, Health and Welfare Center Health Promotion Section Health and SafetyHealth and Welfare Division Health Center Health and Health and Health and Safety Division of Yokohama City Please contact Health Risk Management Subdivision: 045-671-2463 FAX: 045-664-7296) Please contact us by phone.
Outside of business hours on weekdays, please contact each ward Health and Welfare Center Infectious Disease Food Poisoning Emergency Call Dial in case of emergency other than weekday business hours and the following cases.

Symptoms and patient background
Symptoms Patient Background
A. Patients with fever of 38 degrees or higher and acute respiratory symptoms with cough, and suspected clinical or radially substantive lesions (eg pneumonia or ARDS) Those who traveled or lived in the target area (*) within 14 days before the onset
A. Person who presents acute respiratory symptoms with fever (including mild cases)

Within 14 days prior to onset, in the target area (*),
・Visiting or visiting a medical institution
・Those who have a history of contact with those who have been confirmed to be MERS
・A history of close contact with dromedary camels

C. Person who presents fever or acute respiratory symptoms (including mild cases)

Within 14 days prior to onset, whether or not it is the target area
・Those who have examined, nursing or cared for patients suspected of MERS (Note)
・Living with a suspected MERS patient (including staying in a hospital room or ward where the patient is hospitalized)
・Direct contact with pollutants such as airway secretions or body fluids of patients suspected of MERS


※Target: The Arabian Peninsula or its surrounding countries
(The Arab Emirates, Yemen, Oman, Qatar, Kuwait, Saudi Arabia, Jordan (as of June 11))
Note: "Things that have been consulted, nursing, or nursing care" are healthcare professionals or caregivers who have the opportunity to interact with patients on a daily basis at medical institutions, etc. And In this case, "contact" means that you are in a distance where you can talk face-to-face (approximately 2 meters). In addition, even medical workers, etc., properly wearing standard infection protective equipment (sergeical mask (N95 mask if aerosol may be generated), gloves, eye protective equipment, gown) Is not included in this.

To medical institutions

If you have any suspected cases that meet the MERS notification criteria, please contact the public health center (emergency call dial) immediately.
[Emergency call dial]
Yokohama City Public Health Center Health and Safety Division Health Risk Management Subdivision
Telephone: 045-671-2463 (8: 30-17: 15 on weekdays)
045-664-7293 ※(Overtime above: emergency call dial)
※The above contact information is for emergency use during night holidays.
If there is no urgency, please refrain.
FAX: 045-641-6074

Notification from Motoichi to each medical institution

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Inquiries to this page

Health and Social Welfare Bureau Health and Safety Department Health and Safety Division

Telephone: 045-671-2463

Telephone: 045-671-2463

Fax: 045-664-7296

Email address: [email protected]

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