The global Immunoassay Market by Product (Reagents & Kits, Analyzers), Technology (ELISA, Rapid Test, Western Blotting, ELISPOT), Specimen (Blood, Saliva), Application (Infectious Diseases, Oncology), End User (Hospitals & Clinics) - Global Forecasts to 2027," is expected to reach USD 49.6 billion by 2027, with a CAGR of 4.3%