4th inoculation

Updated: July 22, 2022

Notice about additional (4th) inoculation of new corona vaccine

Latest information

  • If 5 months have passed since receiving the additional (third) inoculation for the purpose of preventing aggravation, those over 60 years old and those with underlying diseases over 18 years old will be given additional (fourth) inoculation. You can receive it. Those who are not eligible will not be vaccinated.

* The contents posted on the city homepage may be reviewed at any time.
Ministry of Health, Labor and Welfare website “Notice about additional vaccination (4th vaccination)”(Link to external site)(Open in a new window)Please also refer to.


Significance of inoculation

It has been clarified that the new coronavirus infection is more likely to become more severe in the elderly, and also in those with certain underlying diseases.
Under these circumstances, it has been reported that under the epidemic of the Omicron strain, the additional (fourth) inoculation for people over 60 years old will have a mortality prevention effect, and the aggravation prevention effect will be added at least 6 weeks after the inoculation (3). There is a report that it was maintained without a significant decrease compared to the second inoculation, and it is expected to be effective for those with a high risk of aggravation.
In addition, although it is a pre-reviewed study result, regarding safety, although a mild systemic or local reaction was observed after the additional (fourth) inoculation, no serious side reaction was observed at this time. I am.
Based on such data and trends in other countries, as a result of discussions at the council of the Ministry of Health, Labor and Welfare, it was decided to carry out additional (fourth) inoculation for the purpose of preventing aggravation when infected with the new coronavirus. rice field.

This is the point!Inoculation is not compulsoryThose who receive the new corona vaccine should understand both the effect of vaccination against infectious diseases and the risk of side reactions, and then receive the vaccine on their own initiative . Inoculation will not be done without the consent of the recipient.
If you are currently undergoing treatment due to some illness, or if you are worried about vaccination due to your physical condition, please consult with your doctor before considering whether to receive vaccination.In addition, there are those who do not wish to be vaccinated and those who cannot be vaccinated due to various reasons such as constitution and illness.
Please do not force the vaccination to the workplace or those around you, and do not discriminate against those who have not been vaccinated.Consultation counter for bullying and harassment in the workplace(Link to external site)(Open in a new window)Contact for human rights consultation(Link to external site)(Open in a new window)

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Target person of inoculation

The additional (4th) inoculation is only for those who have received the first (1st and 2nd) inoculation and the additional (3rd) inoculation, and who fall under any of the following .
Those who are not eligible cannot be vaccinated.

If you are uncertain whether you are eligible, please consult with a medical institution in advance or at the time of pre-examination of the vaccination site.

Those over 60 years old as of the date of inoculation

Those who are 18 years old or older and under 60 years old as of the date of inoculation and who fall under the following

Those who are outpatient or hospitalized due to the following underlying diseases

  • Chronic respiratory illness
  • Chronic heart disease (including hypertension)
  • Chronic kidney disease
  • Chronic liver disease (cirrhosis, etc.)
  • Diabetes with insulin or other medications for diabetes or other illnesses
  • Blood diseases (excluding iron deficiency anemia)
  • Diseases with reduced immune function (including malignant tumors receiving treatment or palliative care)
  • Receiving treatments that reduce immune function, such as steroids
  • Neurological and neuromuscular diseases associated with immune disorders
  • A state in which physical function is impaired due to neurological or neuromuscular diseases (respiratory disorders, etc.)
  • Chromosomal abnormality
  • Severe mental and physical disability (severe physical disability and severe intellectual disability overlap)
  • Sleep apnea syndrome
  • Serious mental illness (hospitalized in a medical institution for the treatment of mental illness, possession of a mental illness health and welfare notebook (*), or “severe and continuous” in independence support medical care (psychiatric outpatient care) if it applies)
  • Intellectual disability (if you have a nursing notebook (*))

* If you have a serious mental illness and “have a mentally handicapped person’s health and welfare handbook”, or if you have an intellectual disability and “have a nursing handbook”, you have not been to the hospital or hospitalized. Is also applicable.

Obese people with a BMI (weight kg ÷ height m ÷ height m) of 30 or more

A guideline for a BMI of 30 is 170 cm tall and weighs about 87 kg, and 160 cm tall and weighs about 77 kg.

In addition, those who are recognized by doctors as having a high risk of aggravation

Workers at medical institutions, facilities for the elderly, facilities for the disabled, etc. that provide services to many people at high risk of aggravation

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Vaccine to use and inoculation interval

Vaccine to use

The messenger RNA (mRNA) vaccine is to be used regardless of the type of vaccine received for the first (1st or 2nd) inoculation or for the additional (3rd).
Currently, the types of vaccines that can be additionally (fourth) vaccinated based on the Vaccination Law are as follows.

Vaccine type
Pfizer’s new corona vaccine (messenger RNA (mRNA) vaccine)
Takeda / Moderna’s new corona vaccine (messenger RNA (mRNA) vaccine)

* For information on the efficacy and safety of each vaccine, see the Ministry of Health, Labor and Welfare website .(Link to external site)(Open in a new window)Please confirm.

Inoculation interval

According to the Vaccination Law, additional (4th) vaccinations should be given at intervals of 5 months or more after receiving the additional (3rd) vaccinations. If 5 months have passed
since you received the additional (third) vaccination, you can reserve a reservable vaccination slot and receive the vaccination as soon as you receive the vaccination ticket .

Concept of inoculation interval

Five months or more after receiving the additional (third) vaccination means that you can receive the vaccination on or after the same day, five months after the day of receiving the additional (third) vaccination .
If there is no same day after 5 months, you can inoculate from the 1st of the following month.

Example 1: If you received an additional (third) vaccination on January 10, 2022, you can receive an additional (fourth) vaccination from June 10, 2022.
Example 2: If you received an additional (third) inoculation on January 31, 2022, you can receive an additional (fourth) inoculation from July 1, 2022.

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Inoculation costs

You can inoculate for free (full public expense).
However, you will be responsible for the transportation costs to the inoculation site.

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Vaccination ticket and vaccination certificate

In Chiba City, we will send vaccination tickets to all people over the age of 18 who have received additional (third) vaccinations so that the target people can receive vaccinations promptly.
Those who are not eligible cannot be vaccinated.
If you are uncertain whether you are eligible, please consult with a medical institution in advance or at the time of pre-examination of the vaccination site.

For additional (4th) inoculation, if 5 months have passed since receiving the additional (3rd) inoculation, you can reserve an inoculation slot that can be reserved and receive inoculation as soon as the inoculation ticket arrives . ..

The vaccination ticket will be used on the day of vaccination reservation and vaccination, and will be a vaccination certificate after vaccination (the lower right part of the vaccination ticket mount. As an exceptional treatment, the vaccination ticket has not arrived. For those who have been vaccinated, the vaccination record will be proof that they have been vaccinated.)

Inoculation ticket shipping schedule

When the additional (third) inoculation was receivedShipment date of inoculation ticket used for additional (4th) inoculation
March 2022Shipped on Tuesday, July 19, 2022 ( scheduled to be delivered from Thursday, July 21 to Tuesday, July 26)
April 2022Scheduled to be shipped on Tuesday, August 23, 2022 (scheduled to be delivered from Thursday, August 25 to Friday, August 26)

* Delivery of the vaccination ticket will take several days from the day after the shipping date (excluding weekends and holidays). If you do not receive your vaccination ticket after the scheduled delivery date, please contact the Chiba City Corona Vaccination Call Center ( 0120-57-8970 ).

Application for issuance of inoculation ticket

This is the point!Those who fall under the following need to apply to issue an additional (fourth) inoculation ticket .Those who moved to Chiba City after receiving additional (third) vaccinations in other municipalitiesThose who have not received the vaccination ticket even though 5 months have passed since they received the additional (third) vaccination.Those who have lost their vaccination ticketThose who received additional (third) inoculation overseasThose who received additional (third) vaccination in the new corona vaccination project (inoculation at Haneda Airport and Narita Airport) for Japanese residents overseasThose who received additional (third) inoculation by U.S. Forces Japan employee inoculationThose who received additional (third) inoculation in a clinical trial of a pharmaceutical manufacturer

Please apply for the issuance of an inoculation ticket by one of the following methods.
If you apply before the month when the additional (4th) inoculation starts, we will deliver the inoculation ticket according to the shipping schedule of the inoculation ticket used for the additional (4th) inoculation.
If you apply after the month when the additional (4th) inoculation starts, it will be delivered within 1 to 2 weeks after the application is accepted.

  • Mail application

Please fill in the required items on the vaccination ticket issuance application [ PDF word ] and mail it to the Chiba City Corona Vaccination Call Center.
If you cannot print the application form, you may submit a letter paper with the same contents.

(Destination)
〒260-8722 1-1 Chiba Port, Chuo-ku, Chiba
City Chiba City Corona Vaccination Call Center

  • WEB application

Inoculation general information site “Corona Vaccine Navi”(Link to external site)(Open in a new window)Please apply for vaccination ticket issuance from.
* If the applicant is not the vaccinated person and the vaccination ticket is sent to an address different from the address stated on the vaccinated person’s resident card, please apply by mail.

  • Telephone application

Please call the Chiba City Corona Vaccination Call Center (0120-57-8970).
* If the applicant is not the vaccinated person and the vaccination ticket is sent to an address different from the address stated on the vaccinated person’s resident card, please apply by mail.

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Where you can get the vaccination, how to make a reservation

In Chiba City, with the cooperation of the City Medical Association, we will mainly carry out individual inoculations at familiar medical institutions such as family doctors, and also carry out group inoculations at public facilities in the city.

For additional (4th) inoculation, if 5 months have passed since the completion of additional (3rd) inoculation, you can reserve an inoculation slot that can be reserved and receive inoculation as soon as you receive the inoculation ticket .

Reservation method

If you want to reserve a ” family slot “where each medical institution manages reservations directly for individual vaccination , please make a reservation using the reservation method for each medical institution . For those who reserve a ” general frame ” where anyone can receive vaccination by
individual vaccination , and those who reserve a mass vaccination venue , please have your vaccination ticket ready and the Chiba City Corona Vaccination Call Center ( 0120-57). -8970 ) or Chiba City Vaccination Reservation Site(Link to external site)(Open in a new window)Please make a reservation from.
* Please note that you cannot make a reservation for the “general quota” for individual vaccinations even if you contact the medical institution directly.

Additional (fourth) inoculations are also being given at the large-scale inoculation venue of the Self-Defense Forces . For details, see the Ministry of Defense / Self-Defense Forces website(Link to external site)(Open in a new window)Please confirm.

Please be carefulRequest for reservationDo not make duplicate reservations with multiple medical institutions (including mass vaccination venues) more than the number of times you actually receive the vaccination . If you have multiple reservations, please be sure to cancel .If it is unavoidable that you cannot receive the vaccination on the reserved date, please change or cancel your reservation immediately.
Information on individual inoculation venues
Information on mass vaccination venues in Chiba City

 

[Dedicated page] Reservation status for booster vaccination


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Vaccine reservation method consultation counter

We have set up a contact point for face-to- face consultation regarding reservation methods and medical institutions that can receive vaccinations . * Reservations cannot be made
at this window . In addition, we cannot respond to medical consultations.

Installation locationChuo Ward Regional Promotion Division Living Safety Room (Kiball 11th floor)Hanamigawa Ward Regional Promotion Division (2nd floor of Hanamigawa Ward Office)Inage Ward Regional Promotion Division Living Safety Room (Inage Ward Office 2nd floor)Wakaba Ward Regional Promotion Division Living Safety Room (Wakaba Ward Office 1st floor)Midori Ward Regional Promotion Division Living Safety Room (Midori Ward Office 2nd floor)Mihama Ward Regional Promotion Division Living Safety Room (Mihama Ward Office 1st floor)
Reception timeFrom 9:00 to 17:00 (weekdays only)

* For telephone inquiries, please contact the Chiba City Corona Vaccination Call Center ( 0120-57-8970 ).

We help you make online reservations at our mobile phone shop!

The following mobile phone shops provide support for inputting online reservations for the new corona vaccination . The actual input and reservation application must be made by the person himself / herself.

Please make an advance reservation at your desired mobile shop via the Internet or telephone . In addition, please bring your vaccination ticket on the day of the event .

* Smartphones are not rented.
* If the WEB reservation site is crowded or the mobile phone shop is crowded, we may not be able to help you.

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What to bring on the day of inoculation

When inoculating, be sure to bring “your own new coronavirus vaccination ticket “, ” preliminary examination slip “, and ” identity verification documents (identification of the name of the insured person, etc.)”. please give me.

Please wear clothes that allow you to easily stick out your shoulders to inoculate your upper arm .

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Call center information

There is an error in calling the phone number to the call center, etc.
When making inquiries, please check the number carefully and make sure that you do not make a mistake.

Thing about inoculation reservation, inoculation place, inoculation ticket issuance

Chiba City Corona Vaccine Call Center
Phone number 0120-57-8970 Reception hours and supported languages ​​are as follows * Holidays are also accepted (excluding year-end and New Year holidays) 

supported languageReception time
Japanese / English / Chinese / Vietnamese(Monday to Friday) 8:30 to 21:00
(Saturday and Sunday) 8:30 to 18:00

* If you are deaf or hard of speaking, you can contact us by e-mail or fax.
E-mail  cv-call@city.chiba.lg.jp
FAX  043-245-5128 (FAX exclusive style [ PDF / Excel ]

Vaccine reactions after vaccination, professional consultation that requires medical knowledge

Chiba Prefecture New Corona Vaccine Adverse Reactions Specialized Consultation
Phone Number 03-6412-9326 (Reception Hours 24 Hours * Including Saturdays, Sundays, and Holidays) 

* If you are deaf or hard of hearing, you can contact us by fax, so please check the Chiba Prefecture website.
About Chiba Prefecture New Corona Vaccine Adverse Reactions, etc.(Link to external site)(Open in a new window)

Information about inoculation, information about vaccine, etc.

Ministry of Health, Labor and Welfare New Corona Vaccine Call Center
Phone number 0120-761-770 (For inquiries from overseas (+81) 50-3734-0348 ) Reception hours and supported languages ​​are as follows * Includes weekends and holidays 

supported languageReception hours (Japan time)
Japanese / English / Chinese / Korean / Portuguese / SpanishFrom 9:00 to 21:00
ThaiFrom 9:00 to 18:00
VietnameseFrom 10:00 to 19:00

* If you are deaf or hard of hearing, you can contact us by e-mail or fax, so please check the website of the Japanese Federation of the Deaf. (Ministry of Health, Labor and Welfare) Hearing-impaired person consultation desk (FAX / email address) regarding new coronavirus-related and vaccines