Prevalence Category | Country | |||||
---|---|---|---|---|---|---|
High |
Angola, Benin, Burkina Faso, Burundi, Cameroon, Central African Republic, Congo, Côte d’Ivoire, Djibouti, Equatorial Guinea, Gabon, Gambia, Ghana, Guinea, Haiti, Kiribati, Kyrgyzstan, Laos, Liberia, Malawi, Mali, Mauritania, Mongolia, Mozambique, Namibia, Nauru, Niger, Nigeria, Niue, Papua New Guinea, Senegal, Sierra Leone, Solomon Islands, Somalia, South Sudan, Sudan, Swaziland, Togo, Tonga, Uganda, Vanuatu, Vietnam, Yemen, and Zimbabwe. | |||||
Intermediate (5.0-7.9%) |
Albania, Bhutan, Cape Verde, China, Democratic Republic of the Congo, Ethiopia, Kazakhstan, Kenya, Marshall Islands, Moldova, Oman, Romania, Rwanda, Samoa, South Africa, Tajikistan, Tanzania, Thailand, Tunisia, Tuvalu, Uzbekistan, and Zambia. | |||||
Low Intermediate (2.0-4.9%) |
Algeria, Azerbaijan, Bangladesh, Belarus, Belize, Brunei Darussalam, Bulgaria, Cambodia, Colombia, Cyprus, Dominican Republic, Ecuador, Eritrea, Federated States of Micronesia, Fiji, Georgia, Italy, Jamaica, Kosovo, Libya, Madagascar, Myanmar, New Zealand, Pakistan, Palau, Philippines, Peru, Russia, Saudi Arabia, Singapore, South Korea, Sri Lanka, Suriname, Syria, Tahiti, and Turkey. | |||||
Low (≤1.9%) |
Afghanistan, Argentina, Australia, Austria, Bahrain, Barbados, Belgium, Bolivia, Bosnia and Herzegovina, Brazil, Canada, Chile, Costa Rica, Croatia, Cuba, Czech Republic, Denmark, Egypt, France, Germany, Greece, Guatemala, Hungary, Iceland, India, Indonesia, Iran, Iraq, Ireland, Israel, Japan, Jordan, Kuwait, Lebanon, Lithuania, Malaysia, Mexico, Morocco, Nepal, Netherlands, Nicaragua, Norway, Palestine, Panama, Poland, Portugal, Qatar, Serbia, Seychelles, Slovakia, Slovenia, Spain, Sweden, Switzerland, Ukraine, United Kingdom, United Arab Emirates, United States of America, and Venezuela. | |||||
No data |
Andorra, Antigua and Barbuda, Armenia, The Bahamas, Botswana, Chad, Comoros, Cook Islands, Dominica, El Salvador, Finland, Grenada, Guinea- Bissau, Guyana, Honduras, Latvia, Lesotho, Lithuania, Luxembourg, Macedonia, Maldives, Malta, Mauritius, Monaco, Montenegro, North Korea, Paraguay, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, San Marino, Sao Tome and Principe, Timor-Leste, Trinidad and Tobago, Turkmenistan, and Uruguay. | |||||
NOTE: This table is based on data from the Travelers’ Health Branch of the Centers for Disease Control and Prevention (CDC) Division of Global Migration and Quarantine.the Centers for Disease Control and Prevention (CDC) |
- Schillie S, Vellozzi C, Reingold A, et al. Prevention of Hepatitis B Virus Infection in the United States: Recommendations of the Advisory Committee on Immunization Practices. MMWR Recomm Rep. 2018;67:1-31. [PubMed Abstract]
HBsAg | anti-HBs | anti-HBc | Interpretation | Recommended Action |
---|---|---|---|---|
(+) | (-) | (+) | Chronic HBV infection | Link to care for HBV treatment |
(+) | (-) | IgM (+) | Acute HBV infection | Link to care for management and follow-up |
(-) | (+) | (+) | Resolved HBV infection | Reassurance |
(-) | (+) | (-) | Immune to HBV | Reassurance |
(-) | (-) | (-) | Susceptible to HBV (non immune) | Vaccinate |
(-) | (-) | (+) |
"Isolated anti-HBc" may represent (1) prior HBV infection, (2) a false-positive test, (3) occult HBV infection, or (4) window phase of acute HBV infection |
Expert consultation advised to determing optional further evaluation and management. |
Abbreviations: HBV= hepatitis B Virus; HbsAg = hepatitis B surface antigen; anti-HBs = hepatitis B surface antibody; anti-HBc = hepatitis B core antibody |
Groups with Indication for Hepatitis B Vaccination |
---|
All infants |
Unvaccinated Children Younger than 19 Years of Age |
Persons at Risk for HBV Infection by Sexual Exposure
|
Persons at Risk for Infection by Percutaneous Exposure
|
Others at Increased Risk of Acquiring HBV Infection
|
Persons Desiring Protection Against HBV |
Abbreviations: ACIP = Advisory Committee on Immunization Practices; HBsAg: hepatitis B surface antigen; HBV = hepatitis B virus; ALT = alanine aminotransferase; AST = aspartate aminotransferase |
- Schillie S, Vellozzi C, Reingold A, et al. Prevention of Hepatitis B Virus Infection in the United States: Recommendations of the Advisory Committee on Immunization Practices. MMWR Recomm Rep. 2018;67:1-31. [PubMed Abstract]
HBsAg | Total anti-HBc | IgM anti-HBc | Anti-HBs | HBV DNA | Interpretation | |
---|---|---|---|---|---|---|
- | - | - | - | - | Never infected; susceptible | |
+ | - | - | - | + or - | Early acute infection, or Transient (up to 18 days) after vaccination |
|
+ | + | + | - | + | Acute infection | |
- | + | + | + or - | + or - | Acute resolving infection | |
- | + | - | + | - | Recovered from past infection and immune | |
+ | + | - | - | + | Chronic infection | |
- | + | - | - | + or - |
Isolated core antibody False-positive (susceptible), or |
|
- | - | - | + | - | Immune if anti-HBs concentration is 10 mIU/mL or greater after completing vaccine series, or Passive transfer after hepatitis B immune globulin administration (for 3 to 6 months) |
|
Abbreviations: anti-HBc = antibody to hepatitis B core antigen; anti-HBs = antibody to hepatitis B surface antigen; HBsAg = hepatitis B surface antigen; HBV DNA = hepatitis B virus deoxyribonucleic acid; IgM = immunoglobulin class M. |
- Schillie S, Vellozzi C, Reingold A, et al. Prevention of Hepatitis B Virus Infection in the United States: Recommendations of the Advisory Committee on Immunization Practices. MMWR Recomm Rep. 2018;67:1-31. [PubMed Abstract]