Last updated on May 8, 2023.
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Infectious diseases
About COVID-19 infection
From May 8, 2023, COVID-19 infection's classification of infectious diseases was changed to Class 5.
For more information, please visit the COVID-19 infection page.
About tuberculosis
Tuberculosis is not a disease of the past. Have a chest x-ray once a year, and if you have symptoms such as prolonged cough, low-grade fever, or sputum for more than two weeks, consult a medical institution.
For more information, please visit the Health and Social Welfare Bureau website.
About enterohemorrhagic Escherichia coli infection (O-157, etc.)
Enterohemorrhagic Escherichia coli refers to Escherichia coli that produces toxins and causes bleeding enteritis and hemolytic uremic syndrome (HUS). In addition to O157, O26 and O111 are also known.
If you have symptoms that are suspected of enterohemorrhagic Escherichia coli infection, such as frequent watery stools, severe abdominal pain, or severe bloody stools, consult a medical institution as soon as possible without taking diarrhea.
For more information, please visit the Health and Social Welfare Bureau website.
About infectious gastroenteritis (norovirus, etc.)
Infectious gastroenteritis is a general term for infectious diseases that cause gastroenteritis symptoms such as diarrhea and vomiting caused by bacteria and viruses. Most of the causative pathogens are norovirus, but other such as rotavirus, sapovirus, and adenovirus.
For more information, please visit the Health and Social Welfare Bureau website.
About influenza (seasonal influenza)
It is an acute respiratory infection caused by infection with influenza virus. In Japan, there is a big trend every winter. It can be severe in children, the elderly, people with reduced immunity, people with chronic diseases in the heart, kidney, respiratory organs, etc., and people who are pregnant.
For more information, please visit the Health and Social Welfare Bureau website.
Inquiries to this page
Konan Ward Health and Welfare Division Health Promotion Section
Phone: 045-847-8438
Phone: 045-847-8438
Fax: 045-846-5981
Page ID: 681-894-191