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Using a triple-blind randomized clinical trial, Asbury et al. demonstrate that human milk enriched with human- versus bovine-milk-based fortifiers alters the gastrointestinal microbiota of infants...

The Omicron BA.1 and BA.2 variants have unprecedented numbers of nonsynonymous and indel spike protein mutations. Javanmardi et al. report the antigenicity, expression, and...

Yu et al. conducted a longitudinal study on pre-COVID pandemic samples, and found that common cold coronaviruses (CCC) responses are sustained and relatively constant...

The Omicron Spike protein contains numerous mutations thought to play key roles in efficient spread and immune evasion of this currently dominating SARS-CoV-2 variant....

Maternal-child microbial seeding interventions expose Cesarean-section (C-section)-delivered infants to the maternal microbiome they bypass during Cesarean delivery. It is theorized such interventions restore the...

Richardson et al. show that SARS-CoV-2 Omicron infection in unvaccinated individuals triggers potent antibody responses; however, cross-reactivity against variants of concern is poor. In contrast,...

Interactions with the microbiota alter host defense against pathogens. Woo et al. report that commensal bacteria, including segmented filamentous bacteria, can express aldehyde dehydrogenase (aldh)...

Ai et al. report side-by-side susceptibility profiles of Omicron BA.1, BA.1.1, BA.2 and BA.3 sub-lineages to BBIBP-CorV vaccine-elicited neutralization, finding substantial evasion against two-dose,...

Seki et al. performed a comprehensive, time-resolved analysis of the gut microbiota-immune-brain axis in extremely premature infants. This analysis links early-life microbiome establishment to immunological...

The SARS-CoV-2 Omicron variant contains at least three main sublineages that harbor shared and unique spike protein mutations. Arora et al. show that sublineages...