TOKYO -- The number of influenza patients in Japan reached 11.17 per medical facility over the one-week period ended Dec. 30, 2018, exceeding the epidemic warning level of 10, the Ministry of Health, Labor and Welfare announced on Jan. 9.
The number of flu patients is calculated based on reports from about 5,000 medical institutions for fixed-point observation across Japan. From Dec. 24 to 30, the estimated number of flu patients reached roughly 450,000 nationwide.
By prefecture, Hokkaido in the north saw the highest number at 32.07 per medical facility, followed by the central prefecture of Aichi at 30.45. Neighboring Gifu Prefecture had 20.33 cases per facility, while southern Japan's Kumamoto Prefecture had 14.53, Mie Prefecture in central Japan had 13.68, Fukuoka Prefecture, southern Japan, had 13.59, and Nagano Prefecture in central Japan had 12.78. There were 11.53 cases per facility in Tokyo, followed by 11.23 in Kochi Prefecture, southwestern Japan, and 11.21 in Kanagawa Prefecture, south of the capital.
(Japanese original by Takeshi Noda, Medical Welfare News Department)