Monkeypox isn’t covid-19. Since May the viral disease has infected 35,000 people in 92 countries, less than one-tenth as many as covid infects in a day. Though symptoms, including fever, headaches, muscle aches and a pus-filled rash, can be nasty, it seldom causes death. Critically, in contrast to covid, both a vaccine and a treatment predate the current epidemic. Their makers, two smallish drug companies, are struggling to keep up with…