Herpangina

It is a so-called summer cold infectious disease that spreads mainly in infants under the age of 5 from spring to summer.
It is characterized by blisters appearing in the mouth.
In children, be careful not to dehydrate, as pain in the mouth may not remove water.

• Fever
• Sore throat
• Painful blisters (in the mouth)

About 2 to 4 days after infection, fever and sore throat appear.

• 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 when the virus excreted with the stool enters the mouth (feces and mouth infection).

• After going out, wash your hands with running water and soap.
• After washing your hands, rinse thoroughly with water and wipe your fingers with a clean towel or paper towel.
• Even after the symptoms have subsided, the virus is excreted along with the stool for about 2 to 4 weeks.
  Thoroughly wash your hands after the toilet or after changing diapers.

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

• When coughing or sneezing, cover your nose and mouth with a mask or tissue.
• Wash your hands immediately if you have runny nose or sputum on your palms.

• Avoid sharing dishes and towels with infected people.
• Bathing for infected people should be done last in their family or only shower.

• Trends in Yokohama City (Yokohama City Inst. of Health)
• Easy-to-understand information on infectious diseases in Yokohama! (Yokohama Medical Dashboard) (outside site)
• Herpangina (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 [Medical institutions]　

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