We are pleased to publish an updated list of the top ten cited papers published in Viruses since its inception in 2009. The citation count was collected on 15 October 2013 from the Science Citation Index Expanded (SCIE) as well as from Google Scholar.

• Pattern Recognition Receptors and the Innate Immune Response to Viral Infection
  Thompson, M.R.; Kaminski, J.J.; Kurt-Jones, E.A.; Fitzgerald, K.A.
  Viruses 2011, 3, 920-940; doi:10.3390/v3060920
  (SCIE Citations: 46, Google Scholar Citations: 71)
• Resistance to Integrase Inhibitors
  Métifiot, M.; Marchand, C.; Maddali, K.; Pommier, Y.
  Viruses 2010, 2, 1347-1366; doi:10.3390/v2071347
  (SCIE Citations: 41, Google Scholar Citations: 56)
• Oncolytic Viruses for Cancer Therapy: Overcoming the Obstacles
  Wong, H.H.; Lemoine, N.R.; Wang, Y.
  Viruses 2010, 2, 78-106; doi:10.3390/v2010078
  (SCIE Citations: 28 Google Scholar Citations: 45)
• The Role of Lipids in Retrovirus Replication
  Waheed, A.A.; Freed, E.O.
  Viruses 2010, 2, 1146-1180; doi:10.3390/v2051146
  (SCIE Citations: 27, Google Scholar Citations: 37)
• Structural Aspects of Drug Resistance and Inhibition of HIV-1 Reverse Transcriptase
  Singh, K.; Marchand, B.; Kirby, K.A.; Michailidis, E.; Sarafianos, S.G.
  Viruses 2010, 2, 606-638; doi:10.3390/v2020606
  (SCIE Citations: 22, Google Scholar Citations: 26)
• The Pathogenesis of Rift Valley Fever
  Ikegami, T.; Makino, S.
  Viruses 2011, 3, 493-519; doi:10.3390/v3050493
  (SCIE Citations: 22, Google Scholar Citations: 30)
• Antiviral Therapy for Hepatitis C Virus: Beyond the Standard of Care
  Delang, L.; Coelmont, L.; Neyts, J.
  Viruses 2010, 2, 826-866; doi:10.3390/v2040826
  (SCIE Citations: 22, Google Scholar Citations: 23)
• Significance of Coronavirus Mutants in Feces and Diseased Tissues of Cats Suffering from Feline Infectious Peritonitis
  Pedersen, N.C.; Liu, H.; Dodd, K.A.; Pesavento, P.A.
  Viruses 2009, 1, 166-184; doi:10.3390/v1020166
  (SCIE Citations: 21, Google Scholar Citations: 24)
• Cell-to-Cell Spread of Retroviruses
  Sattentau, Q.J.
  Viruses 2010, 2, 1306-1321; doi:10.3390/v2061306
  (SCIE Citations: 20, Google Scholar Citations: 30)
• Foamy Virus Biology and Its Application for Vector Development
  Lindemann, D.; Rethwilm, A.
  Viruses 2011, 3, 561-585; doi:10.3390/v3050561)
  (SCIE Citations: 20, Google Scholar Citations: 30)