Editorial
Copyright ©2012 Baishideng.
World J Virol. Oct 12, 2012; 1(5): 131-134
Published online Oct 12, 2012. doi: 10.5501/wjv.v1.i5.131
Table 1 Basic reproductive number and antigenic diversity of certain viruses
VirusReproductive No.Antigenic diversity
Measles12-18[4]Stable, single serotype, long-lasting immunity
Mumps5-7[4]Stable, single serotype, long-lasting immunity
Rubella5-7[4]Stable, single serotype, long-lasting immunity
Poliovirus5-7[4]Stable, 3 serotypes, long-lasting immunity
Respiratory syncytial virus1-2[16]Two major antigenic groups, multiple antigenic variants within the groups, re-infection can occur[17,18]
Influenza1-2[2,3]Antigenic drift, numerous antigenic variants, re-infection is common