I recently heard that one reason why allergy shots are rare in England (and why sublingual "under-the-tongue" drops aka SLIT , are so common) is that British patients are required to wait under observation for anaphylaxis as long as ONE HOUR after each and every injection!!! In fact, initially the waiting period was as long as TWO HOURS when the British Committee for Safety of Medicines became alarmed with some deaths that followed allergy injections in 1986. Subsequently, the safe…