{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T19:03:21Z","timestamp":1790276601207,"version":"4.1.0"},"reference-count":191,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2022,5,31]],"date-time":"2022-05-31T00:00:00Z","timestamp":1653955200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Viruses"],"abstract":"<jats:p>The poultry industry is the largest source of meat and eggs for human consumption worldwide. However, viral outbreaks in farmed stock are a common occurrence and a major source of concern for the industry. Mortality and morbidity resulting from an outbreak can cause significant economic losses with subsequent detrimental impacts on the global food supply chain. Mass vaccination is one of the main strategies for controlling and preventing viral infection in poultry. The development of broadly protective vaccines against avian viral diseases will alleviate selection pressure on field virus strains and simplify vaccination regimens for commercial farms with overall savings in husbandry costs. With the increasing number of emerging and re-emerging viral infectious diseases in the poultry industry, there is an urgent need to understand the strategies for broadening the protective efficacy of the vaccines against distinct viral strains. The current review provides an overview of viral vaccines and vaccination regimens available for common avian viral infections, and strategies for developing safer and more efficacious viral vaccines for poultry.<\/jats:p>","DOI":"10.3390\/v14061195","type":"journal-article","created":{"date-parts":[[2022,5,31]],"date-time":"2022-05-31T10:54:23Z","timestamp":1653994463000},"page":"1195","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":74,"title":["Vaccines against Major Poultry Viral Diseases: Strategies to Improve the Breadth and Protective Efficacy"],"prefix":"10.3390","volume":"14","author":[{"given":"Rajamanonmani","family":"Ravikumar","sequence":"first","affiliation":[{"name":"Temasek Life Sciences Laboratory, 1 Research Link, National University of Singapore, Singapore 117604, Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Janlin","family":"Chan","sequence":"additional","affiliation":[{"name":"Temasek Life Sciences Laboratory, 1 Research Link, National University of Singapore, Singapore 117604, Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9816-5908","authenticated-orcid":false,"given":"Mookkan","family":"Prabakaran","sequence":"additional","affiliation":[{"name":"Temasek Life Sciences Laboratory, 1 Research Link, National University of Singapore, Singapore 117604, Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,5,31]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"440","DOI":"10.1637\/11063-031615-Case.1","article-title":"Co-infection with Multiple Respiratory Pathogens Contributes to Increased Mortality Rates in Algerian Poultry Flocks","volume":"59","author":"Sid","year":"2015","journal-title":"Avian Dis."},{"key":"ref_2","doi-asserted-by":"crossref","unstructured":"Brown Jordan, A., Gongora, V., Hartley, D., and Oura, C. 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