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Understanding the aetiology and resolution of chronic otitis media from animal and human studies

This Clinical Puzzle article describes our current knowledge of chronic otitis media and the existing research models for this condition

Increased CTLA-4+ T cells may contribute to impaired T helper type 1 immune responses in patients with chronic obstructive pulmonary disease

Chronic inflammation may expand sub-populations of T cells expressing CTLA-4 in COPD patients and therefore impair T-cell function

Nasal delivery of a commensal Pasteurellaceae species inhibits nontypeable Haemophilus influenzae colonisation and delays onset of otitis media in mice

We have demonstrated that a single dose of a closely related commensal can delay onset of NTHi otitis media in vivo

Panel 7 – Pathogenesis of otitis media – A review of the literature between 2015 and 2019

The most urgent areas appear to be to continue monitoring the emergence of novel otopathogens, and the need to develop prevention and preventative therapies

Panel 8: Vaccines and immunology

Review and highlight of the significant advances made towards vaccine development and understanding of the immunology of otitis media

Bacterial Reservoirs in the Middle Ear of Otitis-prone Children Are Associated With Repeat Ventilation Tube Insertion

Presence of bacterial otopathogen in the middle ear during ventilation tube insertion was a predictor of children at-risk of repeat ventilation tube insertion

High concentrations of middle ear antimicrobial peptides and proteins are associated with detection of middle ear pathogens in children with recurrent acute otitis media

Elevated antimicrobial proteins and peptides and cytokines in middle ear effusion are a marker of inflammation and bacterial persistence

The contribution of viruses and bacteria to community-acquired pneumonia in vaccinated children: A case - Control study

Respiratory viruses, particularly respiratory syncytial virus and human metapneumovirus, are major contributors to pneumonia in Australian children

Pcv7-and pcv10-vaccinated otitis-prone children in new zealand have similar pneumococcal and haemophilus influenzae densities in their nasopharynx and middle ear

PCV10 did not reduce NTHi density in the nasopharynx or middle ear, and was associated with increased pneumococcal nasopharyngeal density

Moraxella catarrhalis Restriction-Modification Systems Are Associated with Phylogenetic Lineage and Disease

We observed an association between Type III DNA methyltransferase presence and Otitis Media-associated middle ear isolates