The 1st National Congress of Tropical Medicine took place in April 1952, as part of the celebrations of the 50th anniversary of the Institute of Tropical Medicine and of the Colonial Hospital, at the Instituto de Medicina Tropical, in Lisbon, Portugal.
Stamps designed by Alberto Souza, and printed by Casa da Moeda, Lisbon.
(opens in a new tab)Angola
(opens in a new tab)Cape Verde
(opens in a new tab)Macau
(opens in a new tab)Mozambique
(opens in a new tab)Portuguese Guinea > Guinea Bissau
(opens in a new tab)Portuguese India > India
(opens in a new tab)São Tomé and Príncipe
(opens in a new tab)Timor > East Timor