About: Influenza Virus in a Natural Host, the Mallard: Experimental Infection Data

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About: Influenza Virus in a Natural Host, the Mallard: Experimental Infection Data Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Influenza Virus in a Natural Host, the Mallard: Experimental Infection Data
Creator	Wahlgren, J Latorre-Margalef, N Brö Jer, C Gunnarsson, G Jourdain, E
Source	Medline; PMC
abstract	Wild waterfowl, particularly dabbling ducks such as mallards (Anas platyrhynchos), are considered the main reservoir of low-pathogenic avian influenza viruses (LPAIVs). They carry viruses that may evolve and become highly pathogenic for poultry or zoonotic. Understanding the ecology of LPAIVs in these natural hosts is therefore essential. We assessed the clinical response, viral shedding and antibody production of juvenile mallards after intra-esophageal inoculation of two LPAIV subtypes previously isolated from wild congeners. Six ducks, equipped with data loggers that continually monitored body temperature, heart rate and activity, were successively inoculated with an H7N7 LPAI isolate (day 0), the same H7N7 isolate again (day 21) and an H5N2 LPAI isolate (day 35). After the first H7N7 inoculation, the ducks remained alert with no modification of heart rate or activity. However, body temperature transiently increased in four individuals, suggesting that LPAIV strains may have minor clinical effects on their natural hosts. The excretion patterns observed after both re-inoculations differed strongly from those observed after the primary H7N7 inoculation, suggesting that not only homosubtypic but also heterosubtypic immunity exist. Our study suggests that LPAI infection has minor clinically measurable effects on mallards and that mallard ducks are able to mount immunological responses protective against heterologous infections. Because the transmission dynamics of LPAIVs in wild populations is greatly influenced by individual susceptibility and herd immunity, these findings are of high importance. Our study also shows the relevance of using telemetry to monitor disease in animals.
has issue date	2010-01-28(xsd:dateTime)
bibo:doi	10.1371/journal.pone.0008935
bibo:pmid	20126617
has license	cc-by
sha1sum (hex)	0d7da6e4ad1bec227e1cea32679396b45a172d56
schema:url	https://doi.org/10.1371/journal.pone.0008935
resource representing a document's title	Influenza Virus in a Natural Host, the Mallard: Experimental Infection Data
has PubMed Central identifier	PMC2812492
has PubMed identifier	20126617
schema:publication	PLoS One
resource representing a document's body	covid:0d7da6e4ad1bec227e1cea32679396b45a172d56#body_text
is schema:about of	named entity 'highly' named entity 'day' named entity 'reservoir' named entity 'minor' named entity 'Because' named entity 'infection' named entity 'Mallard' named entity 'ALERT' named entity 'MALLARD DUCKS' named entity 'WATERFOWL' named entity 'DYNAMICS' named entity 'INDIVIDUAL' named entity 'OBSERVED' named entity 'ASSESSED' named entity 'mallards' named entity 'congeners' named entity 'hosts' named entity 'Wild' named entity 'Six' named entity 'infections' named entity 'responses' named entity 'isolate' named entity 'telemetry' named entity 'mallard ducks' named entity 'exist' named entity 'heart rate' named entity 'H7N7' named entity 'H7N7' named entity 'inoculated' named entity 'evolve' named entity 'individuals' named entity 'production' named entity 'day' named entity 'alert' named entity 'heart rate' named entity 'transmission' named entity 'Virus' named entity 'waterfowl' named entity 'data loggers' named entity 'H7N7' named entity 'body temperature' named entity 'dabbling ducks' named entity 'inoculation' named entity 'heart rate' named entity 'H7N7' named entity 'Anas platyrhynchos' named entity 'monitor disease' named entity 'inoculation' named entity 'viruses' named entity 'Infection' named entity 'Influenza Virus' named entity 'ducks' named entity 'day' named entity 'reagent' named entity 'infrared light' named entity 'H5N2' named entity 'antibody' named entity 'natural host' named entity 'euthanized' named entity 'room temperature' named entity 'wild mammals' named entity 'inflammation' named entity 'lower body' named entity 'General Linear' named entity 'excreted' named entity 'iButton' named entity 'viral RNA' named entity 'intestinal tract' named entity 'histopathology' named entity 'Pectoralis major muscle' named entity 'anesthesia' named entity 'body temperature' named entity 'testicles' named entity '1-wire' named entity 'lower body' named entity 'immune responses' named entity 'dabbling duck'

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