COVID-19 infection

It is a disease caused by infection with COVID-19.
In addition to sore throat, runny nose and nasal congestion, systemic symptoms such as malaise, fever, and muscle pain often appear, but some people are asymptomatic.
In Japan, patients have been reported throughout the year since January 2020.
The disease may be severe in the elderly, those with underlying diseases such as chronic respiratory disease (COPD), diabetes, those in the latter half of pregnancy, and children under 2 years of age and with underlying diseases.

• Sore throat, cough, runny nose and stuffy nose
• Systemic symptoms such as malaise, fever, and muscle pain

Symptoms often relieve naturally within a week, but the symptoms may last for a long time (after illness).

When infected, symptoms such as sore throat, cough, runny nose and runny nose often appear 1 to 7 days later.

• It is transmitted by inhaling splashes contained in sneezing or coughing containing the virus (flying infection).
• It is transmitted by touching the mouth and eyes with a hand with the virus (contact infection).
• It is transmitted by inhaling viruses floating in the air (aerosol infection).

• After going out, wash your hands with running water and soap. Wash your hands immediately if you have runny nose or sputum on your palms.
• After washing your hands, rinse thoroughly with water and wipe your fingers with a clean towel or paper towel.
• Hand disinfection with alcohol is also effective.

Specifically, please see method of hand washing (PDF) (PDF: 316KB).

When coughing or sneezing, cover your nose and mouth with a mask or tissue.
Wearing a mask is based on your own judgment, but be careful in the following cases.

• When consulting a medical institution
• When visiting facilities for the elderly
• When you get on a crowded train or bus, such as during a commuting rush
• When going to a crowded place with a high risk of severe illness during the epidemic season

Please take care to ensure that the individual's independent judgment is respected.

• Let's have frequent ventilation.
• Keep the right humidity (50% to 60%).
• Make sure you have enough rest and a balanced diet.

Vaccinations is valid.
For more information, please refer to the following website.

Have an antigen test kit at home and use it when you have symptoms.
Also, if the symptoms are mild, you can recuperate at home, so be sure to have antipyretic analgesics.

If symptoms such as fever appear, do a self-test with an antigen test kit.
For antigen test kits, select "prescription drugs" and "over-the-counter drugs (OTC)" approved by the government.

• It is displayed as "Pharmaceuticals for in-vitro diagnostics" or "Class 1 pharmaceuticals".
• About the purchase of ethical drug "medicine for out-of-vitro diagnostics", please see the list of antigen test kit sales pharmacies (Yokohama City Pharmacists Association website) (outside site).
• Over-the-counter drugs "Class 1 pharmaceuticals" can be purchased on the Internet. For product information, please refer to the approval information of COVID-19 infection's General Antigen Test Kit (OTC) (Ministry of Health, Labour and Welfare website) (external site).

For details, please refer to how to select commercially available antipyretic analgesics (Ministry of Health, Labour and Welfare) (outside site).

• If you are at risk of severe illness and have severe symptoms, consult a medical institution.
• About consultation at the time of sudden illness, consultation of emergency medical institution, please see consultation at the time of sudden illness, guidance of emergency medical institution Yokohama-shi.

There are no restrictions on employment or daily life behavior when infected under the Infectious Diseases Law.

• During the period when it is recommended to refrain from going out, especially for 5 days after onset, there is a high risk of infecting others, so refrain from going out for 5 days with the onset date as 0 days. If you have symptoms on the 5th day, refrain from going out until the symptoms have been relieved and about 24 hours have passed.
• It is said that it may infect other people from 2 days before onset to 5 to 10 days after onset. Be careful not to move around, such as wearing a nonwoven fabric mask or refraining from contacting people at high risk of becoming severe, such as the elderly.

"close contact" is not required to refrain from going out under the law.

• If possible, divide the room and take care of the infected family with as few people as possible.
• Be careful of your physical condition for those who have COVID-19 infection as 0 days, especially for 5 days.
• Since it may develop until the 7th day, in addition to basic infection control measures such as hand hygiene such as hand washing and ventilation, wear nonwoven fabric masks and refrain from contact with people at high risk of severe illness such as elderly people Let's take care such as.

Symptoms after the disease (so-called sequelae) are symptoms that persist immediately after the infection has disappeared, symptoms that persist immediately after the disease, symptoms that appear newly after recovery, and symptoms that disappear. Refers to all symptoms that occur again after disappearing.
Typical symptoms include fatigue / malaise, joint pain, muscle pain, cough, sputum, shortness of breath, chest pain, hair loss, memory loss, reduced concentration, headache, depression, smell disorder, taste disorder, palpitations, diarrhea, abdominal pain, sleep disorder, muscle weakness, etc.
For details, please see (Kanagawa Prefecture) (outside site) about symptoms after illness of COVID-19 infection (so-called sequelae).

It is said that many postoperative symptoms often improve over time, and in the process, symptomatic treatment according to each symptom may be given. First of all, consult your GP or a local medical institution (primary receiving medical institution) that responds to symptoms after illness.
Specifically, please see medical institution (Kanagawa) corresponding to symptom after illness (outside site).

Public systems may be available when social life is severely restricted due to symptoms after illness. For details, please refer to “Support System for Symptoms after COVID-19 infection Symptoms”.

• Thoroughly observe the health of children, residents, staff, etc.
• Thoroughly report to the manager in case of poor physical condition.
• It is recommended that employees and visitors wear masks.
• If necessary, consider visiting restrictions.

• Wash your hands thoroughly with soap and running water before working or eating.
• Foam the soap thoroughly to wash your fingers and to wash between your nails.
• After lathering with running water, wipe your fingers thoroughly with a clean towel or paper towel. Avoid sharing towels.

Specifically, please see method of hand washing (PDF) (PDF: 316KB).

• Hand sanitize with alcohol before and after care and treatment.

• Open two doors and windows on diagonal lines to provide ventilation.
• If there is only one window, open the door of the room and place a fan or the like outside the window.

• Disinfect places that people often touch with with 0.02% sodium hypochlorite or more than 70% alcohol.

• Replace protective equipment (*) for each care or treatment of infected person.

※Use masks, gloves, gowns, and aprons, and use infection protective equipment such as eye protective equipment when necessary.

• Be careful not to touch the surface of the contaminated protective equipment, as it can also be infected with the virus when undressing contaminated protective equipment. After undressing, hand hygiene (hand washing with soap and hand disinfection) is performed.

• For more information, please see medical expenses (COVID-19).

• For more information, please refer to the following page.

• For other frequently asked questions, please refer to Frequently Asked Questions (COVID-19).

For more information, please refer to the following website.

• Trends in Yokohama City (Yokohama City Inst. of Health)
• Easy-to-understand information on infectious diseases in Yokohama! (Medical Dashboard) (External Site)
• About COVID-19 infection (Ministry of Health, Labour and Welfare) (outside site)

[Between 8:45 and 17:00 on weekdays]
Please contact Health Promotion Section, Health and Welfare Center, Health and Welfare Division, where you live.

• If the number of patients is increasing rapidly in a short time (2 to 3 hours)
• When there are many cases (more than 10 patients)
• Contact with notification of patients etc. based on the Infectious Diseases Law [only for medical institutions]

In such cases, please contact the emergency call dial for infectious diseases and food poisoning.