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Open-Access Journal
Editorial
Face up to challenge of virology world 
Xiaoli Lilly Pang 
World J Virol 1(1):1-3. Published online Feb 12, 2012. doi: 10.5501/wjv.v1.i1.1
Delivery strategies for novel vaccine formulations 
Maria Trovato, Shelly J Krebs, Nancy L Haigwood, Piergiuseppe De Berardinis 
World J Virol 1(1):4-10. Published online Feb 12, 2012. doi: 10.5501/wjv.v1.i1.4
Observation
Emerging and re-emerging viruses: A global challenge illustrated by Chikungunya virus outbreaks 
Christian A Devaux 
World J Virol 1(1):11-22. Published online Feb 12, 2012. doi: 10.5501/wjv.v1.i1.11
Guidelines For Clinical Practice
Porcine reproductive and respiratory syndrome virus vaccines: Immunogenicity, efficacy and safety aspects 
Wasin Charerntantanakul 
World J Virol 1(1):23-30. Published online Feb 12, 2012. doi: 10.5501/wjv.v1.i1.23
Review
Serological diagnosis of Epstein-Barr virus infection: Problems and solutions 
Massimo De Paschale, Pierangelo Clerici 
World J Virol 1(1):31-43. Published online Feb 12, 2012. doi: 10.5501/wjv.v1.i1.31