Located near Ohanajaya Station in Katsushika Ward, Serizawa Clinic is a clinic specializing in internal medicine and pediatrics. They offer English services and provide parking and barrier-free facilities. Reception is from 8:45 AM to 12:45 PM and from 3:15 PM to 6:15 PM. Clinic hours are from 9:00 AM to 1:00 PM and from 3:30 PM to 6:30 PM. The clinic is closed on Thursday afternoons, Saturday afternoons, Sundays, and holidays. They offer a wide range of vaccinations including influenza, Hib, pneumococcal, hepatitis B, rotavirus, inactivated polio, DTaP, measles-rubella, rubella, DT, Japanese encephalitis, adult pneumococcal, HPV, chickenpox, and mumps. Online appointments are available. For influenza vaccinations for children under 15, bringing the Mother-Child Health Handbook is required. The handbook is also requested for other vaccinations to verify vaccination history. High school students visiting alone need parental consent, and junior high school students and younger must be accompanied by a parent.