Dr. Rusty Walker, left, wait to receive the second dose of the Pfizer COVID-19 vaccine from Reg …

Dr. Rusty Walker, left, wait to receive the second dose of the Pfizer COVID-19 vaccine from Registered Nurse Mary Henson at UMC’s Delta Point building in Las Vegas, on Monday, Jan. 4, 2021. (Erik Verduzco / Las Vegas Review-Journal) @Erik_Verduzco