Background: A previous study has shown a twofold increase in prevalence of asthma and
allergic rhinitis (AR) in Swedish recruits during the 1970s. The increase was higher in more …

Primary ciliary dyskinesia (PCD) is associated with abnormal ciliary structure and function,
which results in retention of mucus and bacteria in the respiratory tract, leading to chronic oto-…

BACKGROUND: It might be that early intestinal colonization by bacteria in westernized
infants fails to give rise to sufficient immune stimulation to support maturation of regulatory …

BACKGROUND: Stimulation of the immune system by gut microbes might prevent allergy
development. OBJECTIVE: The present study examined the hypothesis that sensitization to …

The modern Western lifestyle may have altered the composition of the commensal microflora.
Here, we investigated the first year's intestinal colonization pattern in 99 vaginally …

Colonization by Escherichia. coli in infants might have decreased in the last decades, owing
to changes in hospital routines and family lifestyle. In this study, the E. coli flora was …

… Mr Hesselmar was involved in the planning and design of the study and interpretation of
the data, and was responsible for the design of the protocols used, construction and validation …

Lactobacillus colonisation was examined in 112 Swedish infants. Faecal samples obtained
at 1, 2, 4 and 8 weeks and at 6, 12 and 18 months of age were cultivated quantitatively on …

… The mother had two different strains in her nose designated “A” and “B” in the figure. The
father also had the “A” strain in his nose, whereas the infant was consistently positive for the “B” …

Objectives Several studies have indicated that early pet keeping could protect the infant from
later allergy development. Here, we investigate if there is a dose-dependent association …