Recent studies indicated that the strong immune evasion potential of the most recent SARS-
CoV-2 variant, Omicron, results in more frequent reinfections and breakthrough infections …

Summary Background The SARS-CoV-2 Omicron variant became a global concern due to
its rapid spread and displacement of the dominant Delta variant. We hypothesized that part …

Recent study by Dimeglio et al., demonstrated that the infection with Omicron variant
generate higher immune response in affected individuals than the Delta variant. 1 The …

In this Journal, Au and colleagues previously compared the potency of CoronaVac in the
seroprotection against SARS-CoV-2 Alpha, Beta, Gamma, and Delta variants, 1 we went on …

The Omicron variant of SARS-CoV-2 is raising concerns because of its increased
transmissibility and potential for reduced susceptibility to antibody neutralization. To assess …

We read with interest the letter published recently by Costa et al. in the journal of Infection.
They analyzed the difference between the viral loads of the SARS-CoV-2 Alpha and Delta …

The Omicron variant of SARS-CoV-2 is raising concerns because of its increased
transmissibility and potential for reduced susceptibility to antibody neutralization. To assess …

Abstract By December 2021, about 80% of people over the age of 12 had been vaccinated
in Japan, and almost all people were vaccinated with the mRNA vaccine. We investigated …

Background Elucidating viral dynamics within the host is important for designing public
health measures against SARS-CoV-2, particularly during the early stages of infection when …

We read with interest the article by Tré-Hardy et al. on the kinetics of anti-spike IgG (S-IgG)
levels after vaccination among healthcare workers who received the mRNA-1273 (Moderna) …