system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 17-year-old girl presents to the family doctor with fever, headache, sore throat, dry cough, myalgias, and weakness. Her symptoms began acutely 2 days ago. On presentation, her blood pressure is 110/80 mm Hg, heart rate is 86/min, respiratory rate is 18/min, and temperature is 39.0°C (102.2°F). Physical examination reveals conjunctival injection and posterior pharyngeal wall erythema. Rapid diagnostic testing of a throat swab for influenza A+B shows positive results. Which of the following statements is true regarding the process of B cell clonal selection and the formation of specific IgG antibodies against influenza virus antigens in this patient?
assistant
After somatic hypermutation, only a small amount of B cells antigen receptors have increased affinity for the antigen.