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Expert Rev Vaccines. 2019 Apr;18(4):379-392. doi: 10.1080/14760584.2019.1582338. Epub 2019 Mar 4.

Recombinant influenza A viruses as vaccine vectors.

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a Research Center for Emerging Infections and Zoonoses (RIZ) , University of Veterinary Medicine Hannover (TiHo) , Hannover , Germany.



Various viruses, including poxviruses, adenoviruses and vesicular stomatitis virus, have been considered as vaccine vectors for the delivery of antigens of interest in the development of vaccines against newly emerging pathogens.


Here, we review results that have been obtained with influenza A viruses (IAV) as vaccine vectors. With the advent of reverse genetics technology, IAV-based recombinant vaccine candidates have been constructed that induce protective immunity to a variety of different pathogens of interest, including West Nile virus, Plasmodium falciparum and respiratory syncytial virus. The various cloning strategies to produce effective and attenuated, safe to use IAV-based viral vectors are discussed.


It was concluded that IAV-based vector system has several advantages and holds promise for further development.


Influenza virus; immunity; recombinant; reverse genetics; vaccine; vector

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