Viral vaccines in general use include vaccines for COVID-19 Hepatitis A Hepatitis B Human papillomavirus Influenza Japanese encephalitis Measles Mumps Poliomyelitis Rabies Rotavirus Rubella Tick-borne encephalitis Varicella Yellow fever Adenovirus, smallpox, and mpox vaccines, as well as Rift Valley fever and eastern equine encephalitis vaccines are available but used only in high-risk groups (eg, military recruits).