New recommendations for pre- and postexposure prophylaxis have been released as outbreaks continue.
In 2017, the CDC received reports of >1500 cases of acute hepatitis A virus (HAV) infection from California, Kentucky, Michigan, and Utah. Most were among people reporting drug use or homelessness, raising concern for direct person-to-person transmission rather than foodborne transmission. The outbreak has ended in California but continues elsewhere: as of October 18, 2018, >7000 cases have been reported from 12 states. The Advisory Council on Immunization Practices (ACIP) has added homelessness as an indication for HAV vaccination.
The ACIP has also issued new recommendations regarding the use of HAV vaccine for postexposure prophylaxis and for pre-exposure prophylaxis before international travel.
Postexposure prophylaxis with HAV vaccine or…
Reviewing Author
DisclosuresGrant/Research SupportNIH
Editorial BoardsUpToDate; ID Images (idimages.org); Infectious Diseases Society of America COVID-19 Treatment Guidelines; International Antiviral Society–USA (Guidelines Committee)
Leadership Positions in Professional SocietiesHIV Medicine Association; Infectious Diseases Society of America (Board of Directors)
DisclosuresGrant/Research SupportNIH
Editorial BoardsUpToDate; ID Images (idimages.org); Infectious Diseases Society of America COVID-19 Treatment Guidelines; International Antiviral Society–USA (Guidelines Committee)
Leadership Positions in Professional SocietiesHIV Medicine Association; Infectious Diseases Society of America (Board of Directors)