You can use this work for any purpose, as long as it is not primarily intended for or directed to commercial advantage or monetary compensation. You should also provide attribution to the original work, source and licence.
Creative Commons Attribution Non-Commercial (CC BY-NC 4.0) terms and conditions https://creativecommons.org/licenses/by-nc/4.0
'A man and wife with their baby with a message in Spanish to protect the future of one's family by learning the facts about HIV/AIDS; advertisement by the City of Houston Health and Human Services. Colour lithograph.' . Credit: Wellcome Collection. CC BY-NC