U.S. refuses to join 170 countries teaming up to produce a coronavirus vaccine

The U.S. isn't interested in the rest of the world's brainpower — and manufacturing power — when it comes to developing a COVID-19 vaccine.More than 170 countries are considering joining the COVID-19 Vaccines Global Access Facility, or Covax, aimed at quickly developing a coronavirus vaccine and distributing it to the most vulnerable populations. But the Trump administration said Tuesday it won't be joining them, in part because the World Health Organization is helping to lead the co