The NBA could buy or get as many rapid test kits as it needs to attempt to restart without fans, sources said. But politically, that’s a nonstarter right now. “In order to do testing, you need the machines, you need the cartridges, you need the swabs, you need reagents, you need personal protective equipment, and a shortage of any one of these makes it difficult,” said former U.S. Surgeon General Vivek Murthy, who has advised the NBA on the virus. “Which is why you’ve seen backlogs in so many parts of the country.”