Pneumonia and its sequelae, acute lung injury, present unique challenges for pulmonary
and critical care healthcare professionals, and these challenges have recently garnered …

An ancient conflict between hosts and pathogens has driven the innate and adaptive arms of
immunity. Knowledge about this interplay can not only help us identify biological …

The introduction of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) into the
human population represents a tremendous medical and economic crisis. Innate immunity …

Abstract The coronavirus disease 2019 (COVID-19) outbreak, caused by severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2), is a global public health issue which has …

Abstract Coronavirus disease 2019 (COVID-19) is especially severe in aged populations.
Vaccines against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are …

Objective: To study the differences in clinical characteristics, risk factors, and complications
across age-groups among the inpatients with the coronavirus disease 2019 (COVID-19) …

Pre-existing SARS-CoV-2-reactive T cells have been identified in SARS-CoV-2-unexposed
individuals, potentially modulating COVID-19 and vaccination outcomes. Here, we provide …

The ageing of the global population brings about unprecedented challenges. Chronic age‐
related diseases in an increasing number of people represent an enormous burden for …

Our immune system has evolved to protect us from pathogens and maintain homeostasis
through localization in diverse tissue sites throughout the body. Immune responses are …

Purpose The COVID-19 pandemic has led to over 92 million cases and 1.9 million deaths
worldwide since its outbreak. Public health responses have focused on identifying …