Zambia Philately: 1970 Preventive Medicine – 3n Clean Water

Contaminated water and poor sanitation are linked to transmission of diseases such as cholera, diarrhoea, dysentery, hepatitis A, typhoid, and polio. Absent, inadequate, or inappropriately managed water and sanitation services expose individuals to preventable health risks. In the 1960s, most of Zambia’s main towns were supplied with piped, portable water.…

View More Zambia Philately: 1970 Preventive Medicine – 3n Clean Water