Rich countries signed away a chance to vaccinate the world
The New York Times reports: In the coming days, a patent will finally be issued on a five-year-old invention, a feat of molecular engineering that is at the heart of at least five major Covid-19 vaccines. And the United States government will control that patent. The new patent presents an opportunity — and some argue the last best chance — to exact leverage over the drug companies producing the vaccines and pressure them to expand access to less affluent countries….