Swine influenza A/Mexico/2009 (H1N1) update
…virus, but you can send your questions to virology blog. One interesting aspect concerns the statement last week that the new virus was composed of genes from pig, human, and…
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Implications of finding poliovirus in sewers of Brazil and Israel
Wild poliovirus has been detected in the sewers of Brazil and Israel. Fortunately, no cases of poliomyelitis have been reported in either country. Why is poliovirus present in these countries…
Influenza A/Mexico/2009 (H1N1) update
…not result in community-wide transmission, but they can be important indicators of viruses likely to circulate in the upcoming influenza season. The novel influenza A (H1N1) virus has been circulating…
Reassortment of the influenza virus genome
Mutation is an important source of RNA virus diversity that is made possible by the error-prone nature of RNA synthesis. Viruses with segmented genomes, such as influenza virus, have another…
Detecting viruses: the plaque assay
One of the most important procedures in virology is measuring the virus titer – the concentration of viruses in a sample. A widely used approach for determining the quantity of…
How viruses are classified
…(rhinovirus, adenovirus). Some viruses are named for where they were first isolated (Sendai virus, Coxsackievirus), for the scientists who discovered them (Epstein-Barr virus), or for the way people imagined they…