Letter to the Editor
Functional decline at 1 year in hospitalized elderly pneumonia
with SARS-CoV-2 Omicron variant:Comparison with the
ancestral strain and Alpha variant
Naoyuki Miyashita1, Yasushi
Nakamori2, Makoto Ogata1, Naoki
Fukuda1, and Akihisa Yamura1
1First Department of Internal Medicine, Division of
Respiratory Medicine, Infectious Disease and Allergology, Kansai Medical
University, Japan
2Department of Emergency Medicine, Kansai Medical
University Medical Center, Japan