HANOI, Aug 15 (Reuters) - Vietnam's health ministry reported 21 new coronavirus infections and two deaths on Saturday, bringing the total number of cases in the Southeast Asian country to 950, with 23 fatalities.

ZURICH (Reuters) - The U.S. Food and Drug Administration on Saturday approved Roche's Enspryng for the central nervous system disorder neuromyelitis optica, putting the Swiss drugmaker head-to-head with Alexion's Soliris in a costly treatment area.

LOS ANGELES (Reuters) - The mayor of the second-largest U.S. city has joined a growing clamor among health experts and politicians for a radical shift in the nation's coronavirus testing strategy - from an emphasis on the utmost accuracy to a focus on speed and simplicity.

COPENHAGEN (Reuters) - Wearing face masks on public transport will be compulsory in Denmark from Aug. 22 following a spike in numbers of new coronavirus cases, Prime Minister Mette Frederiksen said on Saturday.

SEOUL (Reuters) - A spike in new coronavirus cases in South Korea has prompted authorities to reimpose tighter social distancing curbs in Seoul, but that didn't stop thousands of demonstrators from protesting against President Moon Jae-in's policies.

JAKARTA (Reuters) - Indonesia on Saturday reported 2,345 new coronavirus cases, taking the total number of infections to 137,468, according to data from Indonesia's COVID-19 task force.

MANILA (Reuters) - The Philippine health ministry on Saturday reported 4,351 new confirmed coronavirus cases and 159 additional fatalities, bringing the total in the country to 157,918 infections and 2,600 deaths.

MOSCOW (Reuters) - Russia reported 5,061 new cases of the novel coronavirus on Saturday, bringing its nationwide tally to 917,884, the fourth highest caseload in the world.

MOSCOW, Aug 15 (Reuters) - Russia reported 5,061 new cases of the novel coronavirus on Saturday, bringing its nationwide tally to 917,884, the fourth highest caseload in the world.