Isoniazid Resistant and Multidrug-Resistant Tuberculosis Among Foreign-born*,† Cases in Recent U.S. NTSS (2007–2009), Previous U.S. NTSS (1993–2006) and Global DRS (1994–2007) Data.

Note. Countries and regions are sorted in descending order by prevalence of MDR TB in recent U.S. NTSS data (2007–2009).N = total number of patients from specific country or region with reported DST results.n = total number of patients from specific country or region with reported pattern of resistance (INH resistant or MDR, respectively).NTSS = National Tuberculosis Surveillance System.Global DRS = Global Project on Anti-Tuberculosis Drug Resistance Surveillance.*Foreign-born include persons born outside the United States, American Samoa, the Federated States of Micronesia, Guam, the Republic of the Marshall Islands, Midway Island, the Commonwealth of the Northern Mariana Islands, Puerto Rico, the Republic of Palau, the U.S. Virgin Islands, and U.S. minor and outlying Pacific islands.†TB cases from 14 countries for which prevalence of drug-resistant TB was reported separately were not included in respective WHO regions counts.‡Rank of country was assigned based on 5-year average number of TB cases from that country in the U.S. in 2005–2009. [1].§WHO nine epidemiological regions [8] include following countries:Africa – high HIV: Botswana, Burkina Faso, Burundi, Cameroon, Central African Rep, Chad, Congo, Côte d’Ivoire, DR Congo, Ethiopia, Equatorial Guinea, Gabon, Kenya, Lesotho, Malawi, Mozambique, Namibia, Nigeria, Rwanda, South Africa, Swaziland, Uganda, UR Tanzania, Zambia, Zimbabwe. Ethiopia was excluded from the region estimates and reported separately.Africa – low HIV: Algeria, Angola, Benin, Cape Verde, Comoros, Eritrea, Gambia, Ghana, Guinea, Guinea-Bissau, Liberia, Madagascar, Mali, Mauritania, Mauritius, Niger, Sao Tome & Principe, Senegal, Seychelles, Sierra Leone, Togo.Central Europe: Albania, Bosnia & Herzegovina, Croatia, Cyprus, Hungary, Poland, Serbia & Montenegro, Slovakia, Slovenia, TFYR Macedonia, Turkey.Eastern Europe: Armenia, Azerbaijan, Belarus, Bulgaria, Estonia, Georgia, Kazakhstan, Kyrgystan, Latvia, Lithuania, Rep Moldova, Romania, Russian Federation, Tajikistan, Turkmenistan, Ukraine, Uzbekistan.Eastern Mediterranean: Afghanistan, Bahrain, Djibouti, Egypt, Iran, Iraq, Jordan, Kuwait, Lebanon, Libyan Arab Jamahiriya, Morocco, Oman, Pakistan, Qatar, Saudi Arabia, Somalia, Sudan, Syrian Arab Rep, Tunisia, United Arab Emirates, West Bank & Gaza Strip, Yemen.Established Market Economies: Andorra, Australia, Austria, Belgium, Canada, Czech Rep, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Israel, Italy, Japan, Luxembourg, Malta, Monaco, Netherlands, New Zealand, Norway, Portugal, San Marino, Singapore, Spain, Sweden, Switzerland, Vatican City, United Kingdom.Latin America: Anguilla, Antigua & Barbuda, Argentina, Bahamas, Barbados, Belize, Bermuda, Bolivia, Brazil, British Virgin Is, Cayman Is, Chile, Colombia, Costa Rica, Cuba, Dominica, Dominican Republic, Ecuador, El Salvador, Grenada, Guatemala, Guyana, Haiti, Honduras, Jamaica, Mexico, Montserrat, Netherlands Antilles, Nicargua, Panama, Paraguay, Peru, St Kitts & Nevis, St Lucia, St Vincent & the Grenadines, Suriname, Trinidad & Tobago, Turks & Caicos Is, Uruguay, Venezuela. Dominican Republic, Ecuador, Guatemala, El Salvador, Honduras, Mexico and Peru were excluded from the region estimates and reported separately.South-East Asia: Bangladesh, Bhutan, DPR Korea, India, Indonesia, Maldives, Myanmar, Nepal, Sri Lanka, Thailand, Timor-Leste. India was excluded from the region estimates and reported separately.Western Pacific: Brunei Darussalam, Cambodia, China, China Hong Kong SAR, China Macao SAR, Cook Is, Fiji, French Polynesia, Kiribati, Lao PDR, Malaysia, Mongolia, Nauru, New Caledonia, Niue, Papua New Guinea, Philippines, Rep Korea, Solomon Is, Taiwan, Tokelau, Tonga, Tuvalu, Vanuatu, Viet Nam, Wallis & Futuna Is, Western Samoa. Cambodia, China, Philippines, Republic of Korea and Viet Nam were excluded from the region estimates and reported separately.