People in countries with low coronavirus vaccination rates are at risk of severe illness and death, as Covid-19's Omicron variant continues sweeping the world with 18 million cases last week, the head of the World Health Organization said.
US pediatric hospitalizations related to Covid-19 are at the highest level since the start of the pandemic, according to the latest data of the US Centers for Disease Control and Prevention.
Communication difficulties were reported in Tonga following a massive underwater volcanic eruption in the Pacific country, according to local media Sunday.
More than 1 million coronavirus cases were reported in the US, a record single-day number, amid the rapid increase of the new Omicron variant, according to Johns Hopkins University.