Health chief frets over 'impending doom' in US COVID was third top killer of US citizens in 2020 Second batch of Chinese-made vaccines arrives in Bolivia Clinical trial evaluating Moderna's COVID-19 variant vaccine starts in US Parolee arrested in Asian woman's attack Biden's infrastructure plan has green tint IMF chief says global economy on 'firmer footing' Second migrant caravan in 2021 leaves Honduras for US Virus variant sends deaths spiraling in Brazil White House announces new actions to curb anti-Asian violence El Salvador begins to inoculate teachers against COVID-19 with Chinese-made vaccines Biden tackles anti-Asian hatred Children packed into migrant facility Biden says he has 'nothing against millionaires and billionaires' Specter of racism adds to pitfalls of dating Brazil grants Janssen COVID-19 vaccine emergency approval Canadian regulator suspends Oxford jab At least 4 killed in S. California shooting Teen who took Floyd arrest video testifies