Sexually active gay and bisexual men are restricted from donating plasma to a coronavirus research trial in the United Kingdom, and a number of them have expressed disappointment and anger about being excluded. “Not only is it obviously frustrating but it’s short-sighted,” Ethan Spibey, a blood donation advocate, told NBC News. “Donating blood, you don’t get paid; it’s about doing something amazing for other people.” The trials, led in part by the National Health Service, aim to fight the