The WHO said in February that Covid-19 "most likely" originated in animals before spreading to humans. China has rejected a second phase of investigation.
Secretary of State Blinken said the U.S. has been in direct contact with 500 Americans in Afghanistan in the last 24 hours but is unable to reach 1,000 others.
Harris told Vietnamese officials in capital city of Hanoi on Wednesday that there was a need to pressure Beijing on its actions in the South China Sea.
Afghans face a nationwide cash shortage, closed borders, a plunging currency, and rapidly rising prices of basic goods. An emerging crypto scene has helped some.
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