What is the fine-grained topic of the following text: Questionnaire: 58% reported having had an RTI in the previous 6 months, and 19.7% (95% CI = 16.8 to 22.9%) of these contacted or visited their GP surgery for this, most commonly because 'the symptoms were severe'; or 'after several days the symptoms hadn't improved'; 10.3% of those experiencing an RTI (or 53.1% of those contacting their GP about it) expected an antibiotic prescription. Only return the topic.
Respiratory Tract Infection (RTI) occurrences, GP visits, and expectations of antibiotic prescriptions