Abstract The coronavirus disease 2019 (COVID-19) pandemic has been looming globally for
three years, yet the diagnostic and treatment methods for COVID-19 are still undergoing …

Background and Methods The SARS-CoV-2 (severe acute respiratory syndrome
coronavirus 2) Omicron (B. 1.1. 529) variant is the antigenically most distinct variant to date …

A major challenge in creating universal influenza vaccines is to focus immune responses
away from the immunodominant, variable head region of hemagglutinin (HA-head) and …

Since the start of the COVID-19 pandemic, Severe Acute Respiratory Syndrome Coronavirus
2 (SARS-CoV-2) has caused hundreds of millions of infections worldwide with more than 6.5 …

Background COVID-19 vaccines have been critical for protection against severe disease
following infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) but …

A challenge in studying viral immune escape is determining how mutations combine to
escape polyclonal antibodies, which can potentially target multiple distinct viral epitopes …

The leap of retroviruses and coronaviruses from animal hosts to humans has led to two
ongoing pandemics and tens of millions of deaths worldwide. Retrovirus and coronavirus …

Direct in vivo investigation of human placenta trophoblast's susceptibility to SARS-CoV-2 is
challenging. Here we report that human trophoblast stem cells (hTSCs) and their derivatives …

ABSTRACT Background Protection from SARS-CoV-2 vaccines wanes over time and is
compounded by emerging variants including Omicron subvariants. This study evaluated …

It is thought that mRNA-based vaccine-induced immunity to severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) wanes quickly, based mostly on short-term studies …