Thursday Links Posted on April 20, 2023 by John C. Goodman The FDA approves some drugs other nations don’t want. Study: After St. George’s Hospital in The UK ended its mask mandate for staff and visitors for some, but not all, wards, there was no difference in Covid infections between the two settings. Meta analysis of 2,168 studies finds that wearing masks during the COVID-19 pandemic led to negative health consequences, including itching, headaches, and restriction of oxygen. Aaron Carroll: Contra the Cochrane mask study. A new wealth tax in Norway causes the rich to leave Norway. US compensates people injured by the Covid vaccine for the first time. Health care cost effectiveness: how much is a quality adjusted year of life worth? A type of jellyfish has achieved immortality.