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During 2012, global detection of a new norovirus (NoV) strain, GII.4 Sydney, raised concerns about its potential effect in the United States. We analyzed data from NoV outbreaks in 5 states and emergency department visits for gastrointestinal illness in 1 state during the 2012–13 season and compared the data with those of previous seasons. During August 2012–April 2013, a total of 637 NoV outbreaks were reported compared with 536 and 432 in 2011–2012 and 2010–2011 during the same period. The proportion of outbreaks attributed to GII.4 Sydney increased from 8% in September 2012 to 82% in March 2013. The increase in emergency department visits for gastrointestinal illness during the 2012–13 season was similar to that of previous seasons. GII.4 Sydney has become the predominant US NoV outbreak strain during the 2012–13 season, but its emergence did not cause outbreak activity to substantially increase from that of previous seasons.

Background Physical exercise has been shown to improve asthma symptoms, QoL, exercise capacity, bronchial hyperresponsiveness and lung function and is recommended as a supplementary treatment to pharmacotherapy for asthma. Clinicians are well placed to promote physically active lifestyles, but their role and practice towards promoting physically active lifestyles among patients has not been fully investigated. This study was designed to investigate the knowledge, propensity, attitude and practices of clinicians towards the promotion of physical activity among patients with asthma and allergies.Methods Two hundred and eighty clinicians (mean age; 46 ± 13 years; with a clinical experience of practice for 15 ± 7 years) participated in a global survey. The survey comprised a 29-item questionnaire, which gathered information on attitudes of the clinicians towards promoting physical activity, their knowledge and their beliefs regarding evidence for benefits of physical activity as a supplementary treatment in patients with asthma and allergies.Results Almost all respondents were aware of the strong evidence in favor of physical activity for the psychological well-being, weight control, decreased risk of diabetes, ischemic heart disease and arterial hypertension. Evidence for reduction in the risk for developing asthma and for better asthma control were reported by 60.0% and 85.4% of participants, respectively. The majority (85.0%) of clinicians strongly agreed that promoting physical activity is important to health care, although 95.5% considered they required more educational training. Although two thirds of them usually recommended exercise to their asthmatic/allergic patients, only 24.0% reported having previous training on the subject of such counseling. Almost all believed that effective counseling about a healthy diet, exercise and weight management would be easier if the clinician himself/herself was physically fit and healthy.Conclusions The results of this global survey indicate that clinicians working in the field of allergy and respiratory diseases are well aware of the evidence supporting the benefits of physical activity for asthma and allergic diseases although they need more training in such counseling. Therefore, concerted efforts are needed towards educating clinicians towards promoting physical activity and weight management, as a supplementary treatment for asthma and allergies. Keywords: Allergy, Asthma, Physical activity, Survey

The combination of intranasal antihistamines and intranasal corticosteroids results in superior relief of seasonal allergic rhinitis (SAR) symptoms compared with monotherapy. This study was designed to evaluate the safety and efficacy of olopatadine hydrochloride nasal spray, 0.6% (OLO), administered in combination with fluticasone nasal spray, 50 micrograms (FNS), relative to azelastine nasal spray, 0.1% (AZE), administered in combination with FNS in the treatment of SAR. This was a multicenter, double-blind, randomized, parallel-group comparison of OLO + FNS versus AZE + FNS administered for 14 days to patients ≥12 years of age with histories of SAR. Efficacy assessments recorded by patients in a daily diary included nasal symptom scores. Safety was evaluated based on adverse events (AEs). Pretreatment values for reflective total nasal symptoms scores (rTNSS) were similar for both treatment groups. The mean (SD) 2-week average rTNSS was 4.28 (2.63) for OLO + FNS and 4.15 (2.63) for AZE + FNS; these scores were not statistically different between treatment groups. No significant differences (p > 0.05) between OLO + FNS and AZE + FNS were observed for the average 2-week percent changes from baseline in rTNSS or in the individual nasal symptoms (nasal congestion, rhinorrhea, itchy nose, and sneezing). Compared with baseline, both groups had statistically significant improvement in rTNSS (p < 0.05). No serious AEs were reported in either group during the study period. Overall, 19 AEs were reported in the OLO + FNS group and 29 AEs were reported in the AZE + FNS group. OLO, when administered adjunctively with FNS, is effective, safe, and well-tolerated in patients with SAR.