… respiratory syndrome coronavirus 2 (SARS-CoV-2) reinfection have … of SARS-CoV-2
reinfection in Ecuador and South America. For full methodological details, see the appendix (pp 1, 2)…

… during the Omicron wave of the SARS-CoV-2 pandemic infection 1 can be attributed to …
previous SARS-CoV-2 infection and vaccination 2 . However, in children, Omicron infections led …

… infections are likely to continue usual behavior patterns. Accounting for silent severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) infections … -analysis of COVID-19 literature …

… 2 (ACE 2) receptor, SARS-CoV-2 has structural differences in its surface proteins that enable
stronger binding to the ACE 2 … , ranging from mild infection to severe disease accompanied …

… 2 One might anticipate that patients with chronic respiratory diseases, particularly chronic …
increased risk of SARS-CoV-2 infection and more severe presentations of COVID-19. However…

… , including SARS-CoV-2. The first confirmed pediatric case of SARS-CoV-2 infection was …
because children were rarely screened for SARS-CoV-2 initially. However, a recent study …

… of COVID-19 (6–8). Whether patients have a risk of “relapse” or “reinfection” after recovery
from initial infection … the longitudinally infectious status from primary SARS-CoV-2 infection to …

… syndrome coronavirus 2 (SARS-CoV-2) infection produces … previously infected people are
protected from a second infection is … has major implications for the SARS-CoV-2 pandemic. …

… In this report, we have described the course of SARS-CoV-2 infection in K18-hACE2 …
successful infection with SARS-CoV-2 and a milder disease severity compared with SARS-CoV-1. …

… infection model underlying the emergence of VOCs with the possibility of an animal reservoir
playing a role in SARS-CoV-2 … the possible future evolutionary trajectories of SARS-CoV-2. …