President Trump issued an executive order late Monday night withdrawing the U.S. from the World Health Organization (WHO).

President Trump’s executive order for the U.S. to withdraw from the World Health Organization could greatly impact the nation’s ability to track and respond to global disease threats.

When the plague, cholera and yellow fever rippled deadly waves across a newly industrialised and interconnected world in the mid-19th century, taking a global approach to health became an imperative.