Dear Colleagues,It is a great pleasure to invite you to the 4th International Vilnius Course "Update on Paediatric Infectious diseases" which will be held on the 7-8th of October, 2010 in Vilnius, Lithuania. The Course is organised by Vilnius University, supported by ESPID (The European Society for Paediatric Infectious Diseases) and BIPA (Baltic Immunoprophylaxis association). After success of previously held International Vilnius Courses, it has extended to tradition that we hope is going to gain your interest and give a possibility to share ideas, experience and recent scientific achievements.The aim of the course is to provide interactive training in most relevant issues and updates of infectious diseases for knowledgeable clinical trainees mainly from Eastern and Central European countries. Bursaries for young specialists and for colleagues from the limited resources countries will be available. Top level speakers confirmed their readiness to contribute to the Course. The program will consist of lectures covering major topics in paediatric infectious diseases and sessions for interactive discussions.We look forward to greeting you in Vilnius and hope that you will enjoy the scientific sessions and have a nice time together.Sincerely yours,On behalf of the Faculty,Prof. Vytautas Usonis