Rabies vaccine preserved by vaporization is thermostable and immunogenic.

•Rabies virus vaccine was preserved by vaporization.•Vaccine remained stable for at least 23 months at 22°C.•Antigen content in inactivated vaccine was similar to a commercial rabies vaccine.•Attenuated and inactivated vaccines induced rabies virus neutralizing antibodies.•Both formulations protected mice from rabies virus challenge.