The first dominant SARS‐CoV‐2 Omicron variant BA. 1 harbours 35 mutations in its Spike
protein from the original SARS‐CoV‐2 variant that emerged late 2019. Soon after its …

A novel syndrome called long-haul COVID or long COVID is increasingly recognized in a
significant percentage of individuals within a few months after infection with SARS-CoV-2 …

Summary Background The SARS-CoV-2 variant B. 1.1. 7 was first identified in December,
2020, in England. We aimed to investigate whether increases in the proportion of infections …

The COVID-19 pandemic is having a lasting impact on health and well-being. We compare
current self-reported health, quality of life and symptom profiles for people with ongoing …

Combinations of intense non-pharmaceutical interventions (lockdowns) were introduced
worldwide to reduce SARS-CoV-2 transmission. Many governments have begun to …

Background Recent evidence links ambient air pollution to COVID-19 incidence, severity,
and death, but few studies have analyzed individual-level mortality data with high quality …

Introduction: COVID-19 has been impacting our lives globally, including in Nigeria. While the
COVID-19 vaccine is available free of charge, vaccination coverage remains low. This study …

Mounting evidence suggests the primary mode of SARS-CoV-2 transmission is aerosolized
transmission from close contact with infected individuals. While transmission is a direct result …

Significance: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus
causing coronavirus disease 2019 (COVID-19), affects every aspect of human life by …

Abstract The coronavirus disease 2019 (COVID-19) pandemic has caused an
unprecedented global health crisis, with several countries imposing lockdowns to control the …