Almost 300 million students worldwide faced weeks at home with Italy and India the latest to shut schools over the deadly new coronavirus, as health officials warned many countries were not doing enough to fight the outbreak. The US state of California declared an emergency following its first coronavirus fatality — raising the US death toll to 11 — and a cruise ship was kept offshore after passengers and crew members developed symptoms. Britain and Switzerland also reported their first deaths from the outbreak on Thursday, while Bosnia and South Africa confirmed their first cases.