Impact of waning immunity against SARS-CoV-2 severity exacerbated by vaccine hesitancy. - Saad-Roy, Chadi M.; Morris, Sinead E.; Boots, Mike; Baker, Rachel E.; Lewis, Bryan L.; Farrar, Jeremy; Marathe, Madhav V.; Graham, Andrea L.; Levin, Simon A.; Wagner, Caroline E.; Metcalf, C. Jessica E.; Grenfell, Bryan T. (PLoS Computational Biology, 2024)