Slideshow Strep Throat Although streptococcal pharyngitis cannot be accurately diagnosed by symptoms or a physical exam alone, there are certain clues that can help you determine if a sore throat is bacterial in nature. [clinicaladvisor.com]

Improving Guideline-Based Streptococcal Pharyngitis Testing: A Quality Improvement Initiative. Pediatrics. 2018 Jul; 142 (1) [ PubMed : 29925574 ] 14. [ncbi.nlm.nih.gov]

"Re-evaluation of antibiotic treatment of streptococcal pharyngitis". Curr. Opin. Pediatr. 22 (1): 77–82. doi : 10.1097/MOP.0b013e32833502e7. PMID 19996970. a b c Choby BA (March 2009). "Diagnosis and treatment of streptococcal pharyngitis". [en.wikipedia.org]

This test for infectious mononucleosis is commonly available, but the ideal standard is to use Epstein-Barr virus serology. [ncbi.nlm.nih.gov]

Infectious mononucleosis ("glandular fever") is caused by the Epstein–Barr virus. This may cause significant lymph-node swelling and an exudative tonsillitis with marked redness and swelling of the throat. [en.wikipedia.org]

Infections of Yersinia enterocolitica, Chlamydia trachomatis, and Helicobacter pylori were also excluded. Endoscopic image of the oesophagus was normal but scattered aphthae in the duodenal bulb and descending duodenum were described. [ncbi.nlm.nih.gov]

Infections of Yersinia enterocolitica, Chlamydia trachomatis, and Helicobacter pylori were also excluded. Endoscopic image of the oesophagus was normal but scattered aphthae in the duodenal bulb and descending duodenum were described. [ncbi.nlm.nih.gov]