TOKYO (AP) – Japan’s health ministry says that 20 more people — all teenagers — have been confirmed as having swine flu and the government has shut down schools in several affected cities. The students had not recently been out of the country. In all, Japan has 25 confirmed cases.

And China is reporting its third confirmed case, a young woman who the Health Ministry says had been studying in the U.S.

Meanwhile, the official Xinhua (shin wah) News Agency says more than 280 people confined after being in close contact with people with swine flu have been released from quarantinement.