Evidence map›Paper›PMID 33918608›Full record

ArticleVaccines2021

Vaccine Quality Is a Key Factor to Determine Thermal Stability of Commercial Newcastle Disease (ND)Vaccines.

Nabila Osman, Danny Goovaerts, Serageldeen Sultan, Jeremy Salt, Christian Grund

Abstract read
In one paragraph

Article in Vaccines, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

9 citing papers in PubMed.

  1. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Nabila OsmanDepartment of Poultry Diseases, Faculty of Veterinary Medicine, South Valley University, Qena 83523, Egypt.ORCID 0000-0002-0176-0349
Danny GoovaertsDGVAC Consulting, 2460 Antwerp, Belgium.
Serageldeen SultanDepartment of Microbiology, Virology Division, Faculty of Veterinary Medicine, South Valley University, Qena 83523, Egypt.ORCID 0000-0003-3527-7803
Jeremy SaltGALVmed, Edinburgh EH26 0PZ, UK.ORCID 0000-0003-0404-6535
Christian GrundInstitute of Diagnostic Virology, Friedrich-Loeffler-Institut, Edinburgh EH26 0PZ, UK.

Funding

Bill and Melinda Gates Foundation OPP1176784Government of the United Kingdom 300504
6 · The paper itself

Abstract

Vaccination against Newcastle disease (ND), a devastating viral disease of chickens, is often hampered by thermal inactivation of the live vaccines, in particular in tropical and hot climate conditions. In the past, "thermostable" vaccine strains (I-2) were proposed to overcome this problem but previous comparative studies did not include formulation-specific factors of commercial vaccines. In the current study, we aimed to verify the superior thermal stability of commercially formulated I-2 strains by comparing six commercially available ND vaccines. Subjected to 37 °C as lyophilized preparations, two vaccines containing I-2 strains were more sensitive to inactivation than a third I-2 vaccine or compared to three other vaccines based on different ND strains. However, reconstitution strains proved to have a comparable tenacity. Interestingly, all vaccines still retained a sufficient virus dose for protection (10

Indexed as

heat stabilityNewcastle disease virusparamyxovirusvaccine qualityvaccine stability

Identifiers

PMID33918608
PMCPMC8069011

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.