The pandemic-delayed Tokyo Games kicked off in a riot of color.
"Don’t be deceived that ‘I got this far and I am OK.’ This is a very different variant. It will find you," said Dr Gregory Poland.
The orca calf, named Toa, which means hero in Māori, is receiving round-the-clock care.
Tokyo 2020 bosses are now looking into how ceremony will be conducted.
Six athletes returned to Poland before the games even began and demanded the Polish Swimming Federation board's resignation.
Trump has been banned on the platform since his attempt to overthrow American democracy on January 6, but Twitter has taken no action against Liz Harrington.
The US former president was hospitalised with COVID-19 anyway.
The billionaire Amazon founder was joined by his brother Mark, aerospace pioneer Wally Funk and 18-year-old Oliver Daemen.
"This is a Reichstag moment," Gen. Mark Milley, chairman of the Joint Chiefs of Staff, said, according to a forthcoming book.
NASA is expecting “dramatic increases in flood numbers” in coastal cities around the nation.