hendra virus infection

hendra nipah virus encephalitis concept brain illustration nervous infection medical viral meningitis medicine conceptual spherical epidemic acute microbe infectious pathology meningoencephalitis microorganism cns niv pteropodidae fruit bat pteropus domestic animals flying fox emerging henipavirus paramyxoviridae mononegavirales neurological respiratory disease illness sickness research vaccine pandemic outbreak horse australia ephrin receptor equine morbillivirus