Description	Influenza virus research.jpg English: This 2005 photograph of the Centers for Disease Control and Prevention’s Dr. Terrence Tumpey, one of the organization’s staff microbiologists and a member of the National Center for Infectious Diseases (NCID), showed him examining reconstructed 1918 Pandemic Influenza Virus inside a specimen vial containing an orange-colored supernatant culture medium. Dr. Tumpey, here seen in a Biosafety Level 3-enhanced laboratory setting, was working beneath a flow hood, which pulls air from outside the hood into the hood’s confines, and is then filtered of any pathogens before being re-circulated inside the self contained laboratory atmosphere. Dr. Tumpey recreated the 1918 influenza virus in order to identify the characteristics that made this organism such a deadly pathogen. Research efforts such as this, enables researchers to develop new vaccines and treatments for future pandemic influenza viruses. The 1918 Spanish flu epidemic was caused by an influenza A (H1N1) virus, killing more than 500,000 people in the United States, and up to 50 million worldwide. The possible source was a newly emerged virus from a swine or an avian host of a mutated H1N1 virus. Many people died within the first few days after infection, and others died of complications later. Nearly half of those who died were young, healthy adults. Influenza A (H1N1) viruses still circulate today after being introduced again into the human population in the 1970s. Italiano: Maschera a pieno facciale e guanti in lattice. Scienziati del centro di ricerca CDC che lavorano sull'influenza in condizioni di bio sicurezza. Português: Máscara facial com insuflamento de ar. Cientista realizando pesquisa sobre o vírus influenza em altas condições de segurança biológica.
Date	2005(2005)
Source	This media comes from the Centers for Disease Control and Prevention's Public Health Image Library (PHIL), with identification number #7988. Note: Not all PHIL images are public domain; be sure to check copyright status and credit authors and content providers.
Author	Photo Credit: James Gathany Content Providers(s): CDC
Permission (Reusing this file)	PD-USGov-HHS-CDC English: None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.

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This image is a work of the Centers for Disease Control and Prevention, part of the United States Department of Health and Human Services, taken or made during the course of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain. ?esky | Deutsch | English | Español | Eesti | Suomi | Français | Italiano | ?????????? | Nederlands | Polski | Português | ?? | ???(??)? | +/?

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This 2005 photograph of the Centers for Disease Control and Prevention’s Dr. Terrence Tumpey, one of the organization’s staff microbiologists and a member of the National Center for Infectious Diseases (NCID), showed him examining reconstructed 1918 Pandemic Influenza Virus inside a specimen vial containing an orange-colored supernatant culture medium. Dr. Tumpey, here seen in a Biosafety Level 3-enhanced laboratory setting, was working beneath a flow hood, which pulls air from outside the hood into the hood’s confines, and is then filtered of any pathogens before being re-circulated inside the self contained laboratory atmosphere. Dr. Tumpey recreated the 1918 influenza virus in order to identify the characteristics that made this organism such a deadly pathogen. Research efforts such as this, enables researchers to develop new vaccines and treatments for future pandemic influenza viruses. The 1918 Spanish flu epidemic was caused by an influenza A (H1N1) virus, killing more than 500,000 people in the United States, and up to 50 million worldwide. The possible source was a newly emerged virus from a swine or an avian host of a mutated H1N1 virus. Many people died within the first few days after infection, and others died of complications later. Nearly half of those who died were young, healthy adults. Influenza A (H1N1) viruses still circulate today after being introduced again into the human population in the 1970s.