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Background: Continuous growth of mobile populations has influenced the global epidemiology of infectious diseases, including chronic and acute viral hepatitis. Method: A prospective observational multicentre study was performed in a Spanish network of imported infections. Viral hepatitis cases from January 2009 to September 2017 were included. Results: Of 14,546 records, 723 (4.97%) had imported viral hepatitis, including 48 (6.64%) acute cases and 675 (93.36%) chronic cases. Of the 48 acute cases, 31 were travellers and immigrants returning from visiting friends or relatives (VFR), while 19 (61%) were acute Hepatitis A or Hepatitis B. Only 18.2% of VFR immigrants and 35% of travellers received pre-travel advice. Acute hepatitis was more frequent in VFR immigrants (AOR 2.59, CI95% 1.20-5.60) and travellers (AOR 2.83, CI95% 1.46-5.50) than immigrants. Of the 675 Chronic cases, 570 were immigrants, and 439 (77%) had chronic Hepatitis B. Chronic hepatitis was more frequent in immigrants (AOR 20.22, CI95% 11.64-35.13) and VFR immigrants (AOR 11.12, CI95% 6.20-19.94) than travellers. Conclusions: Chronic viral hepatitis was typical of immigrants, acute viral hepatitis was common among travellers, and VFR immigrants had mixed risk. Improving pre-travel consultation and screening of immigrants may contribute to preventing new cases of viral hepatitis and avoiding community transmission.

Objectives: To assess prevention, early diagnosis and training received regarding osteoporosis among the pediatrics professionals in our area. Material and methods: Survey directed to physicians of pediatricians of Primary Care (PC) and Specialized Care (SC) in order to evaluate their activity in prevention, detection and training received in osteoporosis. The survey was disseminated through the relevant scientific societies. Results: 420 pediatricians participated (324 from PC and 96 from SC). 93.5% of PC pediatricians and 89.6% of SC pediatricians valued the physical activity of the patients; 85.19% and 35.4% of them, respectively, the intake of dairy products. 45.68% of PC and 70.2% of SC recommended calcium and vitamin D supplements in the case of low nutritional intake, whereas 39.2% of PC and 47.2% of SC favored follow-up. 39.6% of SC pediatricians requested bone densitometry for this disease or risk treatment, and 47.9% measured the levels of 25-OH-vitamin D. 25.93% of PC and 45.3% of SC asked about the existence of fractures, 90.4% and 96.8% requested etiopathogenic mechanism. 40% of PC and 86.2% of SC requested a bone densitometry or referred to the specialist for fractures due to low trauma energy, with specific criteria in 13.7% and 5.86%, respectively. 92% of PC and 82.3% of SC had not received recent training in childhood osteoporosis. Conclusion: Detection, derivation circuits and the training of pediatricians regarding bone health in our country can be improved. Optimizing these aspects is essential to favor the peak of bone mass in our population.