Experts are warning of a major outbreak of rubella, or German measles, in Japan this year, with more than 300 cases of infection already reported this year.
According to health authorities across the country, the number of rubella cases totaled more than 2,900 last year. That was the second-highest number in about a decade.
Health officials in Japan say nearly 2,000 people have contracted rubella, or German measles, this year.
The infections are spreading from the Tokyo metropolitan area to other parts of the country.
The National Institute of Infectious Diseases in Tokyo announced on Tuesday that 154 new cases were reported in the week up to November 4th, bringing the total to 1,884.
Health officials say more than 1,000 people have been infected with rubella, or German measles, in Japan this year. This is the first time since 2014 that the number of patients with the viral infection has topped 1,000.
The National Institute of Infectious Diseases in Tokyo announced on Tuesday that there were 151 new cases in the week to Sunday, bringing the total to 1,103.