… diversity and dynamics of Streptococcus mitis and two other abundant members of the
commensal microbiota of the upper respiratory tract, … diversity was observed in populations of all …

… the upper respiratory tract of an elderly population … upper respiratory tract microbiota (Figure
1A). In addition, analysis of β-diversity showed no correlation of the upper respiratory tract …

… elderly people [63]. The Shannon … in the upper and lower respiratory tracts, which ultimately
leads to bacterial colonization and infection [86]. Smokers have increased microbial diversity …

… 57 upper respiratory tract samples from healthy adults including 17 health-care workers (9
non-ICU and 8 ICU staff) and 40 community people. … Healthy people contained more diverse …

The human upper respiratory tract (URT) offers a variety of niches for microbial colonization.
Local microbial communities are shaped by the different characteristics of the specific …

… that 235 million people are annually affected by asthma and approximately 250,000 people
die per … Bacterial diversity in respiratory tract samples. The graph shows rarefaction curves …

… , harbor diverse communities of microbes. In this review, we describe the topography and
population dynamics of the respiratory tract, both in health and as altered by acute and chronic …

… role in respiration by treatment of inspiratory air at the gates of the upper respiratory tract
before … This study included four human population groups from Africa, Asia, Europe and North …

… indicated that lung and upper airway bacterial populations, … diversity of bacterial and
fungal communities was found to vary inversely between samples analyzed: bacterial diversity …

… Ethical approval & patient population In this study, 84 upper respiratory tract (URT) swabs
from … that there is much taxonomical diversity within the VGS in the upper airways, where the …