In science news around the world, the 11th Ebola outbreak in the Democratic Republic of the Congo is officially over, giving the country respite from the disease for the first time in more than 2 years. Pfizer applies for emergency authorization for its coronavirus vaccine, the first such request for a vaccine during the pandemic. U.S. regulators give their first approval to an at-home diagnostic test that can detect the coronavirus in just minutes. European authorities report detecting highly pathogenic avian influenza in eight countries, mostly in wild birds; the virus poses high risk to poultry producers but a low risk of infecting people. Democrats in the U.S. Congress say a political appointee given a senior post at the National Institute of Standards and Technology is unfit for the job because he lacks technical skills and holds pseudoscientific views about racial differences on IQ tests.

在世界各地的科学新闻中，刚果民主共和国的第11例埃博拉疫情已正式结束，这使该国两年多来首次摆脱这种疾病。辉瑞公司为其冠状病毒疫苗申请了紧急授权，这是大流行期间首次要求疫苗。美国监管机构首次批准了可以在短短几分钟内检测到冠状病毒的在家诊断测试。欧洲当局报告在八个国家中发现了高致病性禽流感，其中大多数是在野生鸟类中发现的；该病毒对家禽生产者构成高风险，但对人的感染风险低。美国的民主党人