Polymerase Chain Reaction (PCR) Market Size, Share & COVID-19 Impact Analysis, By Type (Standard PCR, Real-time PCR, and Digital PCR), By Product (Instruments and Reagents & Consumables), By Indication (Infectious Diseases, Oncology, Genetic Disorders, and Others), By End User (Hospitals & Clinics, Pharmaceutical & Biotechnology Industries, Diagnostic Centers, and Academic & Research Organizations), and Regional Forecast, 2021-2028