Author: Yu, Jieshi; Sreenivasan, Chithra; Uprety, Tirth; Gao, Rongyuan; Huang, Chen; Lee, Ella J.; Lawson, Steven; Nelson, Julie; Christopher-Hennings, Jane; Kaushik, Radhey S.; Nelson, Eric; Diel, Diego G.; Hause, Ben M.; Li, Feng; Wang, Dan
Title: Piglet immunization with a spike subunit vaccine enhances disease by porcine epidemic diarrhea virus Cord-id: ds4sk8a5 Document date: 2021_2_1
ID: ds4sk8a5
Snippet: Immunization with an insect cell lysate/baculovirus mixture containing recombinant porcine epidemic diarrhea virus (PEDV) spike protein induced high levels of neutralizing antibodies in both mice and piglets. However, immunization of piglets with this vaccine resulted in enhancement of disease symptoms and virus replication in vaccine recipients exposed to PEDV challenge. Thus, these observations demonstrate a previously unrecognized challenge of PEDV vaccine research, which has important implic
Document: Immunization with an insect cell lysate/baculovirus mixture containing recombinant porcine epidemic diarrhea virus (PEDV) spike protein induced high levels of neutralizing antibodies in both mice and piglets. However, immunization of piglets with this vaccine resulted in enhancement of disease symptoms and virus replication in vaccine recipients exposed to PEDV challenge. Thus, these observations demonstrate a previously unrecognized challenge of PEDV vaccine research, which has important implications for coronavirus vaccine development.
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