Novel Influenza Immunization

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There are no vaccines for novel/variant influenza A viruses with the exception of influenza A H5N1.  

The United States federal government maintains a stockpile of H5N1 vaccine. The stockpiled vaccine could be used if a H5N1 virus begins transmitting easily from person to person. Creating a candidate vaccine virus is the first step in producing a vaccine. View the CDC's “Making a Candidate Vaccine Virus (CVV) for a Highly Pathogenic Avian Influenza (Bird Flu) Virusfor more information on this process.