Rio de Janeiro, Brazil, 23 January 2016: Locals and tourists celebrate Carnival in Rio, but Carnival groups warn of the dangers of Zika virus and...
Television news crew sets up a transmission mast outside Gemelli hospital as they prepare to broadcast from the scene February 24, 2005 in Rome,...
Michel Kazatchkine summarizes the findings of the newly-issued John Hopkins-Lancet report. Professor Michel Kazatchkine, the United Nations...
Michel Kazatchkine summarizes the findings of the newly-issued John Hopkins-Lancet report. Professor Michel Kazatchkine, the United Nations...
Michel Kazatchkine summarizes the findings of the newly-issued John Hopkins-Lancet report. Professor Michel Kazatchkine, the United Nations...
Michel Kazatchkine summarizes the findings of the newly-issued John Hopkins-Lancet report. Professor Michel Kazatchkine, the United Nations...
Dr. Hector Villanueva, center, and Manuel Santini, left, of Health Pro Med, talk to Pedro Vega about preventing Zika transmission as they canvas the...
Created by CDC microbiologist Cynthia Goldsmith, this transmission electron micrograph revealed some of the ultrastructural morphology displayed by...埃博拉病毒
Created by CDC microbiologist Frederick A. Murphy, this transmission electron micrograph revealed some of the ultrastructural morphology displayed by...
Created by Centers for Disease Control and Prevention microbiologist Cynthia Goldsmith, this transmission electron micrograph revealed some of the...
Colorized Transmission Electron Micrograph of the Ebola Virus. Hemorrhagic Fever, RNA Virus. Image courtesy CDC/Cynthia Goldsmith. 1990. .
Transmission electron micrograph, negative stain image of the polio virus. Image courtesy CDC/J. J. Esposito, F. A. Murphy, 1971. .小兒麻痺病毒, 病毒
This negative-stained transmission electron micrograph depicted a number of influenza A virions. There are three types of influenza viruses: A, B and...
Transmission electron micrograph , human immunodeficiency virus , co-cultivated with human lymphocytes. Image courtesy CDC/A. Harrison, P. Feorino,...
Colorized transmission electron micrograph of Avian influenza A H5N1 viruses grown in MDCK cells . Avian influenza A viruses do not usually infect...禽流感病毒, 病毒, 美國
This transmission electron micrograph depicts a number of smallpox virus virions, Mag - approximately 370,000x. The 'dumbbell-shaped' structure...天花病毒
Under a very high magnification, this transmission electron micrograph revealed some of the ultrastructural morphology seen in an unknown tissue...
Transmission electron micrograph of a Varicella Virus. Varicella or Chickenpox, is an infectious disease caused by the varicella-zoster virus, which...
This 1976 negative stained transmission electron micrograph depicted the ultrastructural features displayed by the mumps virus. Image courtesy...
As the zika virus makes news, Cuba intensifies its fumigation campains to erradicate the Aedes aegypti mosquito main source of transmission of the...
As the zika virus makes news, Cuba intensifies its fumigation campains to erradicate the Aedes aegypti mosquito main source of transmission of the...
As the zika virus makes news, Cuba intensifies its fumigation campains to erradicate the Aedes aegypti mosquito main source of transmission of the...
Under a plate magnification of 37,800X, this transmission electron micrograph depicted a strain of swine flu, the A/New Jersey/76 virus. Image...豬流感病毒
This transmission electron micrograph revealed some of the ultrastructural morphology exhibited by the Marburg virus, the cause of Marburg...病毒
Transmission electron micrograph of the Sin Nombre Hantavirus. Hantaviruses that cause Hantavirus pulmonary syndrome are carried in rodent droppings,...漢坦病毒
Created by CDC microbiologist Frederick A Murphy, this transmission electron micrograph revealed some of the ultrastructural morphology displayed by...埃博拉病毒
Transmission electron micrograph of Sin Nombre virus, Hantavirus. Image courtesy CDC/Cynthia Goldsmith, Luanne Elliott, 1974. .漢坦病毒
This transmission electron micrograph depicts HIV-1 budding and free virions. Image courtesy CDC/Alyne Harrison, Erskine Palmer, Paul Feorino, 1984. .
This transmission electron micrograph depicts numbers of influenza A virions while in their late passage growth phase. Image courtesy CDC/Dr. Erskine...病毒
This transmission electron micrograph revealed the presence of hepatitis B virions. The large round virions are known as Dane particles. Hepatitis...
This transmission electron micrograph depicts parainfluenza virions, and free filamentous nucleocapsid material. Human parainfluenza viruses commonly...
This transmission electron micrograph depicted the influenza C virus. Image courtesy CDC/Dr. Erskine Palmer, 1981. .
This transmission electron micrograph depicted numbers of intact rotavirus double-shelled particles. Note the distinctive rim of radiating...
This transmission electron micrograph depicted numbers of reovirus type 3 virions. Transmission electron micrograph of reovirus type 3. Both inner...
This transmission electron micrograph depicts numbers of influenza A virions while in their early passage growth phase. Image courtesy CDC/Dr....流感病毒
Paulo Gadelha , president of the Oswaldo Cruz Foundation research institute announces in a press conference in Rio de Janeiro, Brazil on February 5,...
Paulo Gadelha , president of the Oswaldo Cruz Foundation research institute and Myrna Bonaldo (RL, molecular biology laboratory chief, announce in a...
Paulo Gadelha , president of the Oswaldo Cruz Foundation research institute and Myrna Bonaldo , molecular biology laboratory chief, announce in a...
Paulo Gadelha , president of the Oswaldo Cruz Foundation research institute announces in a press conference in Rio de Janeiro, Brazil on February 5,...
Paulo Gadelha , director of the Oswaldo Cruz Foundation research institute and Myrna Bonaldo , molecular biology laboratory chief, announce in a...
Paulo Gadelha , president of the Oswaldo Cruz Foundation research institute and Myrna Bonaldo , molecular biology laboratory chief, announce in a...
Paulo Gadelha , president of the Oswaldo Cruz Foundation research institute and Myrna Bonaldo , molecular biology laboratory chief, announce in a...
Paulo Gadelha, president of the Oswaldo Cruz Foundation research institute announces in a press conference in Rio de Janeiro, Brazil on February 5,...
Paulo Gadelha , director of the Oswaldo Cruz Foundation research institute and Myrna Bonaldo , molecular biology laboratory chief, announce in a...
Giant African Snail, native to east Africa, moves along the Kealea hiking trail May 18, 2004 in Waialua, Hawaii. The Invasive species of snail, also...
Giant African Snail, native to east Africa, moves tword a leaf along the Kealea hiking trail May 18, 2004 in Waialua, Hawaii. The Invasive species of...
Giant African Snail, native to east Africa, eats vegetation on the Kealea hiking trail May 18, 2004 in Waialua, Hawaii. The Invasive species of...
Giant African Snail, native to east Africa, eats vegetation on the Kealea hiking trail May 18, 2004 in Waialua, Hawaii. The Invasive species of...
Two Giant African Snails, native to east Africa, mate along the Kealea hiking trail May 18, 2004 in Waialua, Hawaii. The Invasive species of snail,...
Transmission electron micrograph of adenovirus virions. Image courtesy CDC/Dr. G. William Gary, Jr, 1981. .
Transmission electron micrograph of parainfluenza virus. Image courtesy CDC/Dr. Erskine Palmer, 1981. .
Transmission electron micrograph of poliovirus type 1. Virions are 20-30nm in diameter, and have icosahedral symmetry. Image courtesy CDC/Dr. Joseph...
Under a high magnification of 446,428X, this negatively-stained transmission electron micrograph revealed some of the ultrastructural morphology...分析
Transmission electron micrograph of varicella-zoster virions from vesicle fluid of patient with chickenpox. Image courtesy CDC/Dr. Erskine Palmer,...
This transmission electron micrograph revealed some of the ultrastructural morphology of a number of intact rotavirus double-shelled particles....輪狀病毒
Giant African Snail is shown next to a quarter in a garden May 3, 2004 on Oahu's North Shore, Hawaii. The invasive species is common on Oahu and has...蝸牛, 害蟲類
Positive Shana Reynolds-Fairley has a moment alone after checking into Georgetown University Hospital to be treated for edema August 30, 2013 in...美國, 愛滋病病毒
Doctor looks into HIV-positive Shana Reynolds-Fairley's eye after she was admitted to Georgetown University Hospital to be treated for edema August...
Positive Shana Reynolds-Fairley talks to her husband who is in jail on the speaker phone after checking into Georgetown University Hospital to be...監獄
Positive Shana Reynolds-Fairley leaves Joseph's House, a hospice that provides nursing and support services to homeless men and women dying of AIDS...
