Republicans Push Lab Leak Theory on Covid’s Origins, but Lack ‘Smoking Gun’

WASHINGTON — The former director of the Centers for Disease Control and Prevention accused top federal health officials on Wednesday of excluding him from discussions in early 2020 about whether the coronavirus was the result of a laboratory leak — an assertion that one of the officials, Dr. Anthony S. Fauci, later said had “nothing to do with reality.” Three years into the pandemic, the accusation by the former C.D.C. director, Dr. Robert R. Redfield, put a spotlight on the lingering bitterness and partisan divisions around the scientific question of…

Health Experts Warily Eye XBB.1.5, the Latest Omicron Subvariant

Three years into the pandemic, the coronavirus continues to impress virologists with its swift evolution. A young version, known as XBB.1.5, has quickly been spreading in the United States over the past few weeks. As of Friday, the Centers for Disease Control estimated that it made up 72 percent of new cases in the Northeast and 27.6 percent of cases across the country. The new subvariant, first sampled in the fall in New York State, has a potent array of mutations that appear to help it evade immune defenses and…

China Denounces Covid Testing Rules Imposed on Its Travelers

The Chinese government on Tuesday denounced Covid testing requirements imposed by other countries on travelers arriving from China as unscientific or “excessive,” and threatened to take countermeasures. As China prepares to open its borders later this week, allowing its citizens to travel abroad for the first time since the pandemic began, countries like Canada, the United States, France, Spain, Japan and the United Kingdom have moved to restrict travelers arriving from the country. The countries have cited concerns about a surge in Covid-19 infections in China, the potential risk of…

China Covid: U.S. Testing Rule Meets a Collective Shrug

Some Chinese were disappointed by the Biden administration’s new testing requirement for travelers coming from their country. Others radiated contempt, calling it the latest Western effort to contain China’s rise. But many were simply indifferent. For many Chinese, the U.S. rule that they must present negative Covid tests to visit is a tangential development. China is grappling with severe outbreaks that have sickened countless people and overwhelmed hospitals and funeral parlors. Many are focused on trying to hold on to their jobs and homes as the economy sputters. And to…

U.S. Announces New Covid Test Requirements for Travelers From China

The Biden administration announced on Wednesday that travelers from China, Hong Kong and Macau must present negative Covid-19 tests before entering the United States, a move that it says is intended to slow the spread of the coronavirus. The announcement, by the federal Centers for Disease Control and Prevention, came amid growing concern over a surge of cases in China and the country’s lack of transparency about the outbreak there. This is a developing story. Check back for updates. NYT