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And Now the 2500

Illumina announced the introduction of its HiSeq 2500 and upgrades to its MiSeq platform yesterday, according to a company press release. The HiSeq 2500 is expected to be able to sequence a genome in about a day, and, as our sister publication In Sequence reports, it is priced at $740,000 or $50,000 for an upgrade from the HiSeq 2000. In addition, the MiSeq will have increased throughput, longer reads, and a faster run time, Illumina says.

Illumina's announcement came the same day as one from Life Technologies, setting up a sequencing "battle," as Matthew Herper at Forbes puts it. The difference between the machines, he adds, will be data quality and cost.

"The speed is good, but the cost is going to be a blocker," for the Illumina machine, the Broad Institute's Chad Nusbaum tells Herper.

The Scan

Two J&J Doses

Johnson & Johnson says two doses of its SARS-CoV-2 vaccine provides increased protection against symptomatic COVID-19, CNN reports.

Pfizer-BioNTech Vaccine Response in Kids

The Pfizer-BioNTech SARS-CoV-2 vaccine in a lower-dose format appears to generate an immune response among children, according to the Washington Post.

Chicken Changes to Prevent Disease

The Guardian writes that researchers are looking at gene editing chickens to help prevent future pandemics.

PNAS Papers on Siberian Dog Ancestry, Insect Reproduction, Hippocampal Neurogenesis

In PNAS this week: ancestry and admixture among Siberian dogs, hormone role in fruit fly reproduction, and more.