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About measles (chopsticks or Measles), rubella (German Measles (Rubella))

To all of medical institutions

  Report method of rubella changed from January 1, 2018! (PDF file opens when we click figure)
  (PDF file 226KB)
  When doctor diagnoses measles and rubella
, based on "law about medical care for the patients with prevention of infectious disease and infectious disease," we are to report to the nearest public health center for less than 24 hours.
  In addition, we are to have you report to public health center immediately when patient that measles and rubella are doubted even if it does not lead to diagnosis has a medical examination.
When there are reports, we investigate for prevention of infection spread quickly.

  Please refer to this for contact information of flow of report and each ward Health and Welfare Center.

 ※ About conduct of examination of measles, rubella diagnosis in Yokohama-shi (flow) <January, 2018 revised edition> (PDF file 261KB)

Measles (measles)

  Let's be careful about the fashion in foreign countries

There was outbreak of patients with several measles from July through August in office in Chiba prefecture and Kansai Airport of Osaka in 2016. 
  Outbreak of measles continues abroad in Southeast Asia or Europe. 
  Measles develops in person who made a voyage to Southeast Asia after returning home, and, after January, 2017, examples to develop in the patient and person whom it touched in the country occur successively.
We catch measles by air infection, droplet infection and contact infection, and the following symptoms develop.
  You wear mask, and please have a medical examination after calling, and having contacted medical institution beforehand by all means
when we have suspicious symptom.
 <symptom of measles>
 1.Fever more than 38 degrees Celsius
 2.Cough, nasal mucus, conjunctival hyperemia
 3.Red rash (bleatingly) of whole body
 ※If all 1-3 appears, measles is doubted.
 ※Particularly, one with a history of travel to foreign countries requires attention.

  March 27, 2015 measles exclusion country authorization!

Japan was recognized as "measles exclusion country" by the World Health Organization west Pacific secretariat.
  But measles was not gone at all, and import example from foreign countries is seen, too, and there is report in Yokohama-shi. (about the number of the outbreak as for the details this "all quantity information (3-5 kinds infectious disease)")
  Measles is infectious disease caused by measles virus.
  Infection power is very strong, and immunity develops approximately 100% when person not to have infects. Severe complications develop and may be life-threatening.
  We do not know when measles virus is brought in from foreign countries even if removed in Japan. It is important that each one has immunity.
  Measles is not past disease! Let's be vaccinated to prevent measles!

What is measles?

 Infection power is strong, and approximately 100% develop when person without antibody is infected. There is not special cure and may need hospitalization without complications and is heavy disease to take time before recovery.

Infection course of measles

 We are infected by droplet infection, air infection, contact infection.

Complications of scary measles

 We may be sometimes life-threatening when we develop complications. Complications are said to be complicated in approximately 30% of the whole. Of these, pneumonia and encephalitis become big cause of dying due to measles.

Why don't you come into contact with patients with measles?

 * We measure temperature with patients with measles every day last for two weeks (up to three weeks) from day when we had contact, and let's observe health. When symptom such as measles appears, we inform medical institution of next beforehand, and let's have a medical examination according to instructions of medical institution by any chance.

   ※ As we may transmit to other patients at the time of family and hospital consultation,
     You note the precaution mentioned above, and you wear mask, and please have a medical examination to hospital.

We must take measures of measles…?

 * It came to be demanded recently that we were vaccinated when it varied.

 * When the patients with measles occur, there is such a thing, too. It is important to prevent not to suffer from measles.

    ※ Measles is very strong in infection power and may provide many infected people from patient of only one.
      We can prevent infection and the onset, aggravation if vaccinated.

    ※ Endemic area of measles still exists abroad.
      We confirm infectious disease fashion information of travel and, before travel, are vaccinated, or what there is antibody of measles or checks is necessary.


 As for the rubella that raged, the fashion was not completely settled!

What is rubella?

 It is fever, rash, infection with rubella virus characterized by lymphadenopathy. After the incubation period of approximately 14-21 days (an average of 16-18 days), symptom comes out.

 It is disease favorable, but hospitalization may be necessary by complications such as arthralgia, joint pain, thrombocytopenic purpura or acute encephalitis basically.

Congenital rubella syndrome

 When pregnant woman is infected with rubella virus in the pregnancy first half of the year, fetus is infected and, therefore, says obstacle to happen to child born with congenital rubella syndrome (congenital rubella syndrome: CRS).

 Cataract, heart trouble, hearing loss (3 main symptoms) are seen.

To prevent measles, rubella?

 We can turn on immunity to measles, rubella by being vaccinated.
 Applicable one can receive inoculation as routine immunization free next.
We confirm age and inoculation period, and let's receive inoculation.

  For more details, please see page of Vaccinations.

Approach of Yokohama-shi

 For measles, rubella destruction, we are doing various approaches in Yokohama-shi.

   →Past test result is this

Achievement of 2015 measles exclusion!

 As a result of devising "specific infectious disease prevention guideline about measles" in Ministry of Health, Labour and Welfare in 2008, and having strengthened measles measures, we received authorization of measles exclusion country. (reference: press release document (Ministry of Health, Labour and Welfare))
 In Yokohama-shi, we revise "Yokohama-shi measles exclusion strategy" (PDF) in 2013 and carry out measures for measles exclusion. We will maintain state of measles exclusion in future.

For 2020 rubella exclusion!

 "Specific infectious disease prevention guideline about rubella" is enforced in Ministry of Health, Labour and Welfare in April, 2014 and aims for rubella exclusion until 2020 in that.
 We receive this and devise "Yokohama-shi rubella exclusion strategy" (PDF) in Yokohama-shi and strengthen measures for rubella exclusion.

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