Respiratory tract infections rank second as causes of adult and paediatric morbidity and
mortality worldwide. Respiratory tract infections are caused by many different bacteria …

Recent advances in nucleic acid sequencing technologies, referred to as 'next-generation'
sequencing (NGS), have produced a true revolution and opened new perspectives for …

Avian influenza (AI) viruses of the H7 subtype have the potential to evolve into highly
pathogenic (HP) viruses that represent a major economic problem for the poultry industry …

Background Molecular assays are the gold standard methods used to diagnose viral
respiratory pathogens. Pitfalls associated with this technique include limits to the number of …

Motivation: The study of RNA virus populations is a challenging task. Each population of
RNA virus is composed of a collection of different, yet related genomes often referred to as …

In Russia, during the COVID-19 pandemic, a decrease in influenza circulation was initially
observed. Influenza circulation re-emerged with the dominance of new clades of A (H3N2) …

It has been reported that lentogenic Newcastle disease virus (NDV) isolates have the
potential to become velogenic after their transmission and circulation in chickens, but the …

Abstract Background Pandemic type A (H1N1) influenza arose in early 2009, probably in
Mexico and the United States, and reappeared in North America in September for seven …

Background In patients with A (H 1 N 1) pdm09 infection, severe lung involvement requiring
admission to intensive care units (ICU) has been reported. Mutations at the hemagglutinin …

The 2017–2018 influenza epidemic season in Russia was characterized by a relatively low
morbidity and mortality. We evaluated herd immunity prior to the 2017–2018 influenza …