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National Genomic Surveillance Dashboard
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Mar 14, 2021
[PDF-860.25 KB]
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Description:Updated Mar. 14, 2021
A new virus variant of SARS-CoV-2 has one or more mutations that differentiate it from predominant variants already circulating among the general population. As the pandemic progresses and new variants of SARS-CoV-2 have emerged, it is critical for the United States and other countries to sequence and analyze virus samples. This sequence data will provide us with real-time information about the genetic diversity, spread, and evolution of the virus to assess the impact on current efforts to control the pandemic, including vaccines. Laboratories in the United States and across the world have generated hundreds of thousands of viral genetic sequences from SARS-CoV-2 positive patient specimens. Through ongoing variant surveillance, CDC can improve our public health response to COVID-19. Since late 2020, CDC’s sequencing efforts have increased; even so, considerable gaps exist. CDC is enhancing these efforts by collaborating with state and local public health laboratories and partners, such as the Association of Public Health Laboratories, to increase the number of specimens that are sequenced as part of the National SARS-CoV-2 Strain Surveillance (NS3) program. CDC is also increasing sequencing capacity through contracts with commercial diagnostic laboratories.
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