Struggling to find a COVID vaccine appointment? This Amherst native invented an easy way to help Western Mass. residents Updated 5:53 AM; Like many Massachusetts residents eligible to receive a COVID-19 vaccination, Carlton and Linda Ho were struggling to secure an appointment. The Amherst couple, both in their 60s, were continually looking online for open appointments in Amherst, Northampton and other Pioneer Valley communities. But the vaccine eluded them. “It was horrible,” Carlton said. “You can’t continuously check the web. It usually would say that the sites didn’t have appointments. When they did, you would click on it and by the time you got in they were gone. My wife and I were very frustrated.”