Influenza A virus (H1N1) (ATCC® VR-219)

Classification: Orthomyxoviridae, Influenzavirus A  /  Product Format: frozen 1 mL per vial

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Classification Orthomyxoviridae, Influenzavirus A
Deposited As Influenza A virus
Agent Influenza A virus (H1N1)
Strain A/NWS/33
Influenza Research
Biosafety Level 2

Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.

Product Format frozen 1 mL per vial
Storage Conditions -70°C or colder
Comments A neurotropic strain of Influenza A virus derived from strain A/WS/33 by i.c. inoculation of mice. A close antigenic relationship between this item and the A/WS/33 strain can be demonstrated by cross hemagglutination inhibition tests.
Effect on Host
Hemagglutinates chicken RBC
Recommended Host
SPF chicken embryonated eggs, 10-11 days
Growth Conditions Temperature: 35°C
Recommendations for Infection: Dilute virus in D-PBS prior to inoculation.
Incubation: 2-3 days
Effect on Host
Hemagglutinates chicken RBC
Name of Depositor RR Wagner, Johns Hopkins University School of Medicine
Source Derived from WS (human) isolate by i.c. inoculation of mice

Hook EW, Wagner RR. Hemorrhagic encephalopathy in chicken embryos infected with influenza virus. I. Factors influencing the development of hemorrhages. Bull. Johns Hopkins Hosp. 103: 125-139, 1958. PubMed: 13573015

Stuart-Harris CH. A neurotropic strain of human influenza virus. The Lancet 233: 497-499, 1939.

Notice: Necessary PermitsPermits

These permits may be required for shipping this product:

  • Customers located in the state of Hawaii will need to contact the Hawaii Department of Agriculture to determine if an Import Permit is required. A copy of the permit or documentation that a permit is not required must be sent to ATCC in advance of shipment.
Basic Documentation