An Afghan health worker drops polio vaccine into the mouth of a child on the second day of a vaccination campaign in Kabul on March 16, 2009. A new...
Afghan President Hamid Karzai and Afghan Health Minister Sayed Muhammad Amin Fatimi arrive on the first day of a vaccination campaign at The...
Afghan President Hamid Karzai speaks as he leaves on the first day of a vaccination campaign at The Presidential palace in Kabul on March 15, 2009. A...
Afghan President Hamid Karzai sanitizes before administering a polio vaccine to a child on the first day of a vaccination campaign while Afghan...
Afghan President Hamid Karzai receives a polio vaccination drop from a doctor on the first day of a vaccination campaign while Afghan Health Minister...
Afghan President Hamid Karzai drops polio vaccine into the mouth of a child on the first day of a vaccination campaign while Afghan Health Minister...
Afghan President Hamid Karzai arrives on the first day of a vaccination campaign at The Presidential palace in Kabul on March 15, 2009. A new...
An Egyptian medical staffer takes oral samples from a labourer undergoing examination for Hepatitis C, at a construction site in Egypt's new...埃及
An Egyptian medical staffer takes oral samples from a labourer undergoing examination for Hepatitis C, at the construction site of Egypt's new...
Egyptian labourers line up for an examination check-up for Hepatitis C, at a construction site in Egypt's new "administrative capital", some 40 kms...埃及, 體檢
Egyptian labourers line up for an examination check-up for Hepatitis C, at a construction site in Egypt's new "administrative capital", some 40 kms...埃及, 開羅
Afghan children stand in an alley as they watch during the second day of a polio vaccination campaign in Kabul on January 12, 2009. A new three-day...
An Afghan child receives a drop of polio vaccine on the second day of a vaccination campaign in Kabul on January 12, 2009. A new three-day nationwide...
An Afghan doctor drops polio vaccine into a child's mouth on the second day of a vaccination campaign in Kabul on January 12, 2009. A new three-day...
Afghan volunteers wait in front of a house on the second day of a polio vaccination campaign in Kabul on January 12, 2009. A new three-day nationwide...
An Afghan volunteer drops polio vaccine into a child's mouth on the second day of a vaccination campaign in Kabul on January 12, 2009. A new...
Afghan volunteers prepare to administer a polio vaccine to an uncooperative child on the second day of a vaccination campaign in Kabul on January 12,...
An Afghan volunteer marks a child's finger after administering a polio vaccine on the second day of a vaccination campaign in Kabul on January 12,...
An Afghan child receives a drop of polio vaccine on the second day of a vaccination campaign in Kabul on January 12, 2009. A new three-day nationwide...
Afghan President Hamid Karzai drops polio vaccine into the mouth of a child on the first day of a vaccination campaign while Afghan Health Minister...
United Nation's special envoy to Afghanistan, Kai Eide, drops polio vaccine into the mouth of an Afghan girl on the first day of a vaccination...
Afghan President Hamid Karzai talks with a boy after he received polio vaccine on the first day of a vaccination campaign while Afghan Health...
This micrograph shows human hepatocytes infected with the Ebola virus, 1977. The Ebola pathogen is a member of the Filoviridae family of RNA viruses....
This micrograph shows human liver tissue infected with the Ebola virus, 1977. The Ebola pathogen is a member of the Filoviridae family of RNA...埃博拉病毒, 1970-1979
This micrograph shows human liver tissue infected with the Ebola virus, 1977. The Ebola pathogen is a member of the Filoviridae family of RNA...埃博拉病毒, 1970-1979
This micrograph shows human hepatocytes infected with the Ebola virus, 1977. The Ebola pathogen is a member of the Filoviridae family of RNA viruses....
Illustration of a cell infection by an IRES, Internal Ribosomal Entry Site, virus, and the its treatment. The Hepatitis C virus is an RNA virus,...蛋白質
Rubella virus, rubivirus from the Togaviridae family). Image taken with transmission electron microscopy,, viral diameter around 50 to 70 nm).病毒, 披膜病毒科
Rubella virus, rubivirus from the Togaviridae family). Image taken with transmission electron microscopy,, viral diameter around 50 to 70 nm).病毒
Rubella virus, rubivirus from the Togaviridae family). Image taken with transmission electron microscopy,, viral diameter around 50 to 70 nm).
Rotavirus. Image produced from an image taken with transmission electron microscopy. Viral diameter around 60 to 80 nm.輪狀病毒
Rotavirus. Image produced from an image taken with transmission electron microscopy. Viral diameter around 60 to 80 nm.
Virus. Image produced from an image taken with transmission electron microscopy. Viral diameter around 110 to 125 nm.愛滋病病毒, 顯微鏡, 病毒
Virus. Image produced from an image taken with transmission electron microscopy. Viral diameter around 110 to 125 nm.愛滋病病毒, 顯微鏡, 病毒
Influenza virus. Image produced from an image taken with transmission electron microscopy. Viral diameter ranges from around 80 to 120 nm.
Influenza virus. Image produced from an image taken with transmission electron microscopy. Viral diameter ranges from around 80 to 120 nm.
Influenza virus. Image produced from an image taken with transmission electron microscopy. Viral diameter ranges from around 80 to 120 nm.流感病毒, 顯微鏡
Haemophilia and Hepatitis C sufferer Paul Bullen joins a delegation of Haemophilia Society members and supporters in Downing Street today , before...英國