The clinical course and outcome of COVID-19 are highly variable, ranging from
asymptomatic infections to severe disease and death. Understanding the risk factors of …

The gut microbiota plays a crucial role in human health and disease. Gut dysbiosis is known
to be associated with increased susceptibility to respiratory diseases and modifications in …

Coordinated local mucosal and systemic immune responses following severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) infection either protect against …

SARS-CoV-2 infection causes COVID-19 disease, which can result in consequences
ranging from undetectable to fatal, focusing attention on the modulators of outcomes. The …

The nasal region is one of the distinct environments for the survival of various microbiota.
The human microbial niche begins to inhabit the human body right from birth, and the …

The development of novel culture-independent techniques of microbial identification has
allowed a rapid progress in the knowledge of the nasopharyngeal microbiota and its role in …

Background The upper respiratory tract (URT) is the portal of entry of severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2), and SARS-CoV-2 likely interacts with …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is responsible for the
respiratory distress condition known as COVID-19. This disease broadly affects several …

The current frequency of COVID-19 in a pandemic era ensures that co-infections with a
variety of co-pathogens will occur. Generally, there is a low rate of bonafide co-infections in …

Introduction Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) has infected a
substantial portion of the world's population, and novel consequences of COVID-19 on the …