"This October, 1975 image depicted a number of Bangladeshi men and boys, as they were bathing in a Patuakhali Town communal bathing tank. This site was located in the Patuakhali District, in South-western Bangladesh.
PHIL images 1191, 3258, 5664, and 12290 through 12367, were supplied by Dr. Michael Schwartz, and capture the epidemiologic-related activities undertaken by healthcare providers from the Centers for Disease Control and Prevention (CDC), World Health Organization (WHO), and local Bangladeshi healthcare workers, during their successful attempt to eradicate smallpox."
CDC/ Dr. Michael Schwartz
<a rel="nofollow" class="external text" href="https://phil.cdc.gov/">PHIL</a>, Center for Disease Control (CDC) -- ID# 12356