Authors: Mark W Tenforde; Samantha M Olson; Wesley H Self; H Keipp Talbot; Christopher J Lindsell; Jay S Steingrub; Nathan I Shapiro; Adit A Ginde; David J Douin; Matthew E Prekker; Samuel M Brown; Ithan D Peltan; Michelle N Gong; Amira Mohamed; Akram Khan; Matthew C Exline; D Clark Files; Kevin W Gibbs; William B Stubblefield; Jonathan D Casey; Todd W Rice; Carlos G Grijalva; David N Hager; Arber Shehu; Nida Qadir; Steven Y Chang; Jennifer G Wilson; Manjusha Gaglani; Kempapura Murthy; Nicole Calhoun; Arnold S Monto; Emily T Martin; Anurag Malani; Richard K Zimmerman; Fernanda P Silveira; Donald B Middleton; Yuwei Zhu; Dayna Wyatt; Meagan Stephenson; Adrienne Baughman; Kelsey N Womack; Kimberly W Hart; Miwako Kobayashi; Jennifer R Verani; Manish M Patel Journal: MMWR Morb Mortal Wkly Rep Date: 2021-05-07 Impact factor: 35.301