Related by context. Frequent words. (Click for all words.) 55 tests 53 serology 52 immunohistochemistry 52 histopathology 52 NICD 51 microscopic examination 51 H5 virus 51 needle biopsy 50 H5 strain 50 liver biopsy 49 stool samples 49 biopsy 48 urine tests 48 confirmatory 47 post mortem examinations 47 retested 47 serum samples 47 Tissue samples 47 samples 46 tissue samples 46 diagnostic tests 46 biopsies 46 mosquito pools 46 workup 46 testing 46 swab 46 CT scan 46 prostate biopsy 46 laboratory 46 RT PCR 46 avian influenza virus 45 urinalysis 45 colposcopy 45 Reference Laboratory 45 ELISA 44 test 44 DNA testing 44 retesting 44 Animal Disease 44 swabs 44 isolation wards 44 Communicable Diseases 44 postmortem examination 44 Diagnostic Laboratory 44 accredited laboratories 44 laboratories 44 coronary angiography 44 SARS coronavirus 43 Testing 43 autopsies 43 meningococcemia 43 toxicology tests 43 fecal occult blood 43 diagnostic laboratories 43 cytology 43 lumbar puncture 43 necropsy 43 angiogram 43 highly pathogenic avian influenza 43 chest X rays 43 biopsied 43 digital rectal exam 43 bloodwork 43 CT colonography 42 EHV 1 42 Toxicology tests 42 coliform 42 chest x ray 42 polymerase chain reaction 42 angiography 42 necropsies 42 Pap smear 42 retests 42 highly pathogenic 42 echocardiogram 42 dope tests 42 Necropsies 42 ultrasonography 41 genotyping 41 coliform bacteria 41 Health OIE 41 urine samples 41 highly pathogenic H#N# strain 41 spinal tap 41 tested positive 41 retest 41 deadly H#N# strain 41 renal transplant 41 toxicology 41 ultrasound scans 41 lab 41 cyanuric acid 41 breast MRI 41 CAT scan 41 antiviral therapy 41 CT scans 41 CT Scan 41 detections 41 DNA swab 40 mouth swab 40 avian influenza