Editor
For the second time in two years, the World Health Organization has taken the extraordinary step of declaring a global emergency. This time the cause is monkeypox, which has spread in just a few weeks to dozens of countries and infected tens of thousands of people.
Dr. Tedros Adhanom Ghebreyesus, the W.H.O.’s director general, on Saturday overruled a panel of advisers, who could not come to a consensus, and declared a “public health emergency of international concern,” a designation the…
