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Americans who were frustrated trying to book vaccine appointments are praising a website that makes the process much easier. Colorado software engineer Nick Muerdter developed Covid-19 Vaccine Spotter after hearing about co-workers' challenges in booking appointments for their parents. The site now covers all 50 US states, Washington, D.C., Puerto Rico and the US Virgin Islands, and updating it has turned into a full-time volunteer job on top of his day job.
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