Japan's government plans to investigate reports that many hospitals are refusing to admit people suspected of having the coronavirus.
The Fire and Disaster Management Agency will survey 52 fire departments in Tokyo and other big cities. The survey will ask them how many times their ambulances have been turned away by four or more hospitals.
A Japanese research team says serious pneumonia symptoms caused by the coronavirus may be treatable by curbing the function of certain proteins related to the immune system.
The study was jointly led by Hirano Toshio, president of the National Institutes for Quantum and Radiological Science and Technology, and Professor Murakami Masaaki of Hokkaido University.
A team of US environmental experts has surveyed an area of northeastern Japan that was struck by a massive earthquake and tsunami on March 11 2011.
On Tuesday, a team from the Smithsonian Environmental Research Center visited a lagoon in Rikuzentakata City in Iwate Prefecture. The lagoon was connected to the sea after a massive tsunami.