Pain(7) COVID-19(6) veterans(4) herpetic neuralgia(3) herpes zoster(3) Efficacy(3) Thoracic(3) Treatment(3) Repetitive Intracutaneous Injection(3) chronic pain(3) Department(3) pregabalin(3) secondary(3) Local anesthetics(3) Depression(3) education(3) Oxycodone(3) veteran(3) steroid(3) NRS(3) Postherpetic neuralgia(3) chronic(3) pandemic(2) cognitive(2) outcome(2) clinician(2) Sleep(2) finding(2) preference(2) effective(2)