A medical examination is not always required for a person to be granted entry into Canada. The requirement for medical examination stems from medical inadmissibility grounds, and is based on scientific facts, including but not limited to:
Individuals who have lived consecutively for 6 months or more, temporarily, in one (or more) countries listed as “Required” (in the below list) in the last 1 year must undergo a medical examination in order to be granted entry into Canada.
| Country | Medical Examination | 
| Afghanistan | Required | 
| Albania | Not Required | 
| Algeria | Required | 
| American Samoa | Not Required | 
| Andorra | Not Required | 
| Angola | Required | 
| Anguilla | Not Required | 
| Antigua & Barbuda | Not Required | 
| Argentina | Not Required | 
| Armenia | Required | 
| Ascension | Not Required | 
| Australia | Not Required | 
| Austria | Not Required | 
| Azerbaijan | Required | 
| Azores | Not Required | 
| Bahamas | Not Required | 
| Bahrain | Not Required | 
| Bangladesh | Required | 
| Barbados | Not Required | 
| Belarus | Required | 
| Belau – Republic of | Required | 
| Belgium | Not Required | 
| Belize | Not Required | 
| Benin | Required | 
| Bermuda | Not Required | 
| Bhutan | Required | 
| Bolivia | Required | 
| Bora Bora | Not Required | 
| Bosnia-Herzegovina | Required | 
| Botswana | Required | 
| Brazil | Required | 
| Brunei | Required | 
| Bulgaria | Not Required | 
| Burkina Faso | Required | 
| Burma (Myanmar) | Required | 
| Burundi | Required | 
| Cambodia | Required | 
| Cameroon | Required | 
| Cape Verde | Required | 
| Central African Republic | Required | 
| Chad | Required | 
| Chagos Archipelago | Not Required | 
| Chile | Not Required | 
| China | Required | 
| Colombia | Not Required | 
| Comoros | Required | 
| Congo, Democratic Republic | Required | 
| Congo, Republic of | Required | 
| Costa Rica | Not Required | 
| Croatia | Not Required | 
| Cuba | Not Required | 
| Cyprus | Not Required | 
| Czech Republic | Not Required | 
| Denmark | Not Required | 
| Desirade | Not Required | 
| Djibouti | Required | 
| Dominica | Not Required | 
| Dominican Republic | Required | 
| Ecuador | Required | 
| Egypt | Not Required | 
| El Salvador | Required | 
| Equatorial Guinea | Required | 
| Eritrea | Required | 
| Estonia | Not Required | 
| Ethiopia | Required | 
| Fiji | Required | 
| Finland | Not Required | 
| France | Not Required | 
| French collectivity of Wallis and Futuna | Not Required | 
| French Guiana | Not Required | 
| French Polynesia | Not Required | 
| Gabon | Required | 
| Gambia | Required | 
| Georgia | Required | 
| Germany | Not Required | 
| Ghana | Required | 
| Gibraltar | Not Required | 
| Greece | Not Required | 
| Greenland | Required | 
| Grenada | Not Required | 
| Guadeloupe | Not Required | 
| Guam | Required | 
| Guatemala | Required | 
| Guinea | Required | 
| Guyana | Required | 
| Haiti | Required | 
| Honduras | Required | 
| Hong Kong | Required | 
| Huahine | Not Required | 
| Hungary | Not Required | 
| Iceland | Not Required | 
| India | Required | 
| Indonesia | Required | 
| Iran | Not Required | 
| Iraq | Required | 
| Ireland | Not Required | 
| Island – Christmas | Not Required | 
| Island – Easter | Not Required | 
| Island – Lord Howe | Not Required | 
| Island – Niue | Not Required | 
| Island – Norfolk | Not Required | 
| Island – Pitcairn | Not Required | 
| Island – Truk | Required | 
| Island – Wake | Not Required | 
| Island – Yap | Required | 
| Islands – Admiralty | Required | 
| Islands – Austral | Not Required | 
| Islands – Balearic | Not Required | 
| Islands – British Virgin | Not Required | 
| Islands – Canary | Not Required | 
| Islands – Cayman | Not Required | 
| Islands – Cocos | Not Required | 
| Islands – Cook | Not Required | 
| Islands – Cooz | Required | 
| Islands – Falkland | Not Required | 
| Islands – Faroe | Not Required | 
| Islands – Gambier | Not Required | 
| Islands – Kerguelen | Not Required | 
| Islands – Loyalty | Not Required | 
| Islands – Marquesas | Not Required | 
| Islands – Marshall | Required | 
| Islands – Midway | Not Required | 
| Islands – New Guinea | Required | 
| Islands – Solomon | Required | 
| Islands – Tokelau | Not Required | 
| Islands – U.S. Trust Terr. of Pacific | Required | 
| Islands – U.S. Virgin | Not Required | 
| Israel | Not Required | 
| Italy | Not Required | 
| Ivory Coast | Required | 
| Jamaica | Not Required | 
| Japan | Not Required | 
| Johnston Atoll | Not Required | 
| Jordan | Not Required | 
| Kazakhstan | Required | 
| Kenya | Required | 
| Kiribati | Required | 
| Korea, North | Required | 
| Korea, South | Required | 
| Kosovo | Required | 
| Kosrae | Required | 
| Kuwait | Not Required | 
| Kyrgyzstan | Required | 
| Laos | Required | 
| Latvia | Required | 
| Lebanon | Not Required | 
| Lesotho | Required | 
| Liberia | Required | 
| Libya | Required | 
| Liechtenstein | Not Required | 
| Lithuania | Required | 
| Luxembourg | Not Required | 
| Macao | Required | 
| Macedonia | Not Required | 
| Madagascar | Required | 
| Madeira | Not Required | 
| Maio | Required | 
| Makatea | Not Required | 
| Malawi | Required | 
| Malaysia | Required | 
| Maldives | Required | 
| Mali | Required | 
| Malta | Not Required | 
| Martinique | Not Required | 
| Maupiti | Not Required | 
| Mauritania | Required | 
| Mauritius | Not Required | 
| Mexico | Not Required | 
| Moldova | Required | 
| Monaco | Not Required | 
| Mongolia | Required | 
| Montenegro | Not Required | 
| Montserrat | Not Required | 
| Moorea | Required | 
| Morocco | Required | 
| Mozambique | Required | 
| Namibia | Required | 
| Nauru | Required | 
| Nepal | Required | 
| Netherlands | Not Required | 
| Netherlands Antilles | Not Required | 
| New Britain | Required | 
| New Caledonia | Not Required | 
| New Guinea Mainland | Required | 
| New Hebrides | Required | 
| New Ireland | Required | 
| New Zealand | Not Required | 
| Nicaragua | Required | 
| Niger | Required | 
| Nigeria | Required | 
| Northern Mariana | Required | 
| Northern Sinai | Not Required | 
| Norway | Not Required | 
| Oman | Not Required | 
| Pakistan | Required | 
| Palau | Required | 
| Panama | Required | 
| Papua New Guinea | Required | 
| Paraguay | Required | 
| Peru | Required | 
| Philippines | Required | 
| Poland | Not Required | 
| Ponape | Required | 
| Portugal | Not Required | 
| Puerto Rico | Not Required | 
| Qatar | Required | 
| Raiatea | Not Required | 
| Reunion | Not Required | 
| Romania | Required | 
| Russia | Required | 
| Rwanda | Required | 
| Sabah | Required | 
| Saharawi Arab Democratic Rep. | Required | 
| San Marino | Not Required | 
| Sao Tome e Principe | Required | 
| Sarawak | Required | 
| Saudi Arabia | Not Required | 
| Senegal | Required | 
| Serbia | Not Required | 
| Seychelles | Not Required | 
| Sierra Leone | Required | 
| Singapore | Required | 
| Slovakia | Not Required | 
| Slovenia | Not Required | 
| Society Archipelago | Not Required | 
| Somali Republic | Required | 
| South Africa – Rep. of | Required | 
| Spain | Not Required | 
| Sri Lanka | Required | 
| St. Kitts & Nevis | Not Required | 
| St. Lucia | Not Required | 
| St. Martin | Not Required | 
| St. Pierre et Miquelon | Not Required | 
| St. Vincent and the Grenadines | Not Required | 
| Sudan | Required | 
| Surinam | Not Required | 
| Swaziland | Required | 
| Sweden | Not Required | 
| Switzerland | Not Required | 
| Syria | Not Required | 
| Tahaa | Not Required | 
| Tahiti | Not Required | 
| Taiwan | Required | 
| Tajikistan | Required | 
| Tanzania | Required | 
| Terre Australes et Antartiques | Not Required | 
| Thailand | Required | 
| Tibet | Required | 
| Timor-Leste | Required | 
| Togo | Required | 
| Tonga | Not Required | 
| Trinidad and Tobago | Not Required | 
| Tristan Da Cunha | Not Required | 
| Tuamotu Archipelago | Not Required | 
| Tunisia | Required | 
| Turkey | Not Required | 
| Turkmenistan | Required | 
| Turks and Caicos | Not Required | 
| Tuvalu | Required | 
| Uganda | Required | 
| Ukraine | Required | 
| United Arab Emirates | Not Required | 
| United Kingdom | Not Required | 
| United States of America | Not Required | 
| Uruguay | Not Required | 
| Uzbekistan | Required | 
| Vanuatu | Required | 
| Vatican City State | Not Required | 
| Venezuela | Not Required | 
| Vietnam | Required | 
| Wallis and Futuna | Required | 
| West Bank/Gaza | Not Required | 
| Western Sahara | Required | 
| Western Samoa | Not Required | 
| Yemen | Required | 
| Zambia | Required | 
| Zimbabwe | Required |