IN the introduction to his comprehensive report on the cholera epidemic of 1848–49, William Farr, 1 that greatest of statistical epidemiologists, wrote, "If a foreign army had landed on the ...

Thus, public health surveillance is an important element of public health practice. Public health surveillance uses information and biospecimens from a variety of sources, including mandatory ...

Policy surveillance, defined as “the systematic tracking of policies of public importance” 1 is an important mechanism for understanding the scope and effectiveness of policies that can impact health.

The IMF monitors the international monetary system and global economic developments, while also engaging in regular health checks of the economic and financial policies of its 191 member countries.

Infection tracking is only one aspect of public health surveillance. Through its modernization initiative, the CDC also has ...