BACKGROUND:Relapsing fever (RF) spirochetes are notable for multiphasic antigenic variation of polymorphic outer membrane lipoproteins, a phenomenon responsible for immune evasion.An additional role in tissue localization is suggested by the finding that isogenic serotypes 1 (Bt1) and 2 (Bt2) of the RF spirochete Borrelia turicatae, which differ on
Myxozoans are a diverse group of cnidarian parasites, including important pathogens in different aquaculture species, without effective legalized treatments for fish destined for human consumption.We tested the effect Extractors of natural feed additives on immune parameters of common carp and in the course of a controlled laboratory infection with
This Watching Brief describes an outbreak of measles in the context of the mass evacuation of 124,000 people from Afghanistan to the USA.Cases were identified in the States of Model Paint Wisconsin and Virginia, as well as in a military base in Germany.The outbreak affected children and young people aged 0 - 26 years, with publicly available data i
Diversas patologias acometem a traquéia dos animais domésticos de forma a comprometer o fluxo respiratório, inclusive a sobrevivência do animal.Obstrução por corpo estranho ou neoplasias, rupturas traumáticas, colapso e estenose são tidas como as principais.Reparações de defeitos induzidos experimentalmente em traquéias de 12 cães foram