COVID-19 is an infectious disease caused by the Severe Acute Respiratory Syndrome
Coronavirus-2 (SARS-CoV-2), and according to the World Health Organization (WHO), to …

Introduction: The burden of respiratory viral infections is a global public health concern with
significant mortality, morbidity, and economic impact. While Koch's postulate led to …

Moraxella catarrhalis is found almost exclusively within the human respiratory tract. This
pathobiont is associated with ear infections and the development of respiratory illnesses …

The novel coronavirus disease 2019 (COVID-19) is a rapidly emerging and highly
transmissible disease caused by the Severe Acute Respiratory Syndrome Coronavirus-2 …

Background. Influenza A virus (IAV) has had the highest morbidity globally over the past
decade. A growing number of studies indicate that the upper respiratory tract (URT) …

As one of the most prevalent human infectious diseases, dental caries results from dysbiosis
of the oral microbiota driven by multiple factors. However, most of caries studies were cross …

The nasopharyngeal microbiome is a dynamic microbial interface of the aerodigestive tract,
and a diagnostic window in the fight against respiratory infections and antimicrobial …

Along with playing vital roles in pathogen exclusion and immune system priming, the upper
airways (UAs) and their microbiota are essential for myriad physiological functions such as …

Exclusive breastfeeding is highly recommended for infants for at least the first six months of
life. However, for some mothers, it may be difficult or even impossible to do so. This can lead …

Background Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) is the
causative agent of the novel coronavirus disease (COVID-19) pandemic, which has caused …