The world’s best disease-alert service is both broke and on strike — over a mere $1 million. When ProMED is silent, the world is less safe. — On August 3, a disturbing email went out to the 20,000 subscribers to ProMED, the disease-alert service. More than half the service’s moderators announced that they would go on strike because the International Society for Infectious Diseases, its overseer, had announced two weeks earlier — without informing the moderators who…