Colorized Transmission Electron Micrograph image of Zika virus particles infecting a cell. Each particle is approximately 40 nanometers in diameter....
Transmission Electron Micrograph image of Zika virus particles infecting a cell. Each particle is approximately 40 nanometers in diameter. The Zika...
Colorized Transmission Electron Micrograph image of Zika virus particles infecting a cell. Each particle is approximately 40 nanometers in diameter....
Colorized Transmission Electron Micrograph image of Zika virus particles infecting a cell. Each particle is approximately 40 nanometers in diameter....
Colorized Transmission Electron Micrograph image of Zika virus particles infecting a cell. Each particle is approximately 40 nanometers in diameter....
Colorized Transmission Electron Micrograph image of Zika virus particles infecting a cell. Each particle is approximately 40 nanometers in diameter....
Health-awareness poster campaign is destined to inform mother's about the transmission of the virus from mother-to-child. The campaign is the...
The wall display at the offices of CHAZ show snapshots from a variety of events and activities which are part of their campaigns to prevent the...
Dr. Saul Johnson examines 18-month-old Buyisile at Baragwanath Hospital to determine the effectiveness of AZT in preventing transmission of HIV from...診所
Newborn baby is cleaned by a nurse at an MTCT clinic in Lusaka, Zambia, where anti-retroviral treatment is available for HIV Positive expectant...尚比亞, 嬰兒
Newborn baby is wrapped up by a nurse at an MTCT clinic in Lusaka, Zambia, where anti-retroviral treatment is available for HIV Positive expectant...
Newborn baby is wrapped up by a nurse at an MTCT clinic in Lusaka, Zambia, where anti-retroviral treatment is available for HIV Positive expectant...
Brown-headed Gulls wait for food at the Bird Island Nature Reserve on May 3, 2006 in Gangcha County of Qinghai Province, China. Surveillance has been...
Tourists feed Brown-headed Gulls at the Bird Island Nature Reserve on May 3, 2006 in Gangcha County of Qinghai Province, China. Surveillance has been...
Cormorants hatch eggs on an island in the Bird Island Nature Reserve on May 3, 2006 in Gangcha County of Qinghai Province, China. Surveillance has...
An Indian veterinary clinic employee gives a rabies vaccination to a pet dog at a free vaccination camp at The Government Super Speciality Veterinary...注射疫苗, 寵物
Transmission electron micrograph of smallpox viruses using a negative stain technique, 1975. Smallpox is a serious, highly contagious, and sometimes...天花病毒
Transmission electron micrograph of smallpox virus particles, 1975. Smallpox is a serious, highly contagious, and sometimes fatal infectious disease....天花病毒
This is a transmission electron micrograph of a tissue section containing variola virus particles, 1975. Smallpox is a serious, highly contagious,...
This is a transmission electron micrograph of the West Nile virus , 2002. West Nile virus is a flavivirus commonly found in Africa, West Asia, and...
This is a transmission electron micrograph of the West Nile virus , 2002. West Nile virus is a flavivirus commonly found in Africa, West Asia, and...
Transmission electron micrograph of the Ebola virus in a specimen of human liver tissue, magnified 4000X, 1978. The incubation period for Ebola...
This transmission electron micrograph depicts a number of vaccinia virions, 1981. A virion is a single complete and infectious virus particle....
An axillary bubo and edema exhibited by a plague patient, 1962. After the incubation period of 2-6 days, symptoms of the plague appear including...黑死病
Transmission electron micrograph of yellow fever virus virions, 1981. Virions are spheroidal, uniform in shape and are 40-60nm in diameter. The name...
General Assembly President Mogens Lykketoft offers his remarks at the start of the plenary session. The United Nations General Assembly convened a...
General Assembly President Mogens Lykketoft offers his remarks at the start of the plenary session. The United Nations General Assembly convened a...
Michel Sidibé and Mogens Lykketoft speak to the press. Following the opening of the high-level United Nations General Assembly summit on ending the...
Michel Sidibé and Mogens Lykketoft speak to the press. Following the opening of the high-level United Nations General Assembly summit on ending the...
Michel Sidibé and Mogens Lykketoft speak to the press. Following the opening of the high-level United Nations General Assembly summit on ending the...
Michel Sidibé and Mogens Lykketoft speak to the press. Following the opening of the high-level United Nations General Assembly summit on ending the...
Michel Sidibé speaks to the press. Following the opening of the high-level United Nations General Assembly summit on ending the HIV/AIDS epidemic ,...
Michel Sidibé and Mogens Lykketoft speak to the press. Following the opening of the high-level United Nations General Assembly summit on ending the...
Michel Sidibé speaks to the press. Following the opening of the high-level United Nations General Assembly summit on ending the HIV/AIDS epidemic ,...
Michel Sidibé speaks to the press. Following the opening of the high-level United Nations General Assembly summit on ending the HIV/AIDS epidemic ,...
Michel Sidibé and Mogens Lykketoft speak to the press. Following the opening of the high-level United Nations General Assembly summit on ending the...
Michel Sidibé speaks to the press. Following the opening of the high-level United Nations General Assembly summit on ending the HIV/AIDS epidemic ,...
Mogens Lykketoft speaks to the press. Following the opening of the high-level United Nations General Assembly summit on ending the HIV/AIDS epidemic...
Mogens Lykketoft speaks to the press. Following the opening of the high-level United Nations General Assembly summit on ending the HIV/AIDS epidemic...
Mogens Lykketoft speaks to the press. Following the opening of the high-level United Nations General Assembly summit on ending the HIV/AIDS epidemic...
Michel Sidibé and Mogens Lykketoft speak to the press. Following the opening of the high-level United Nations General Assembly summit on ending the...
Michel Sidibé and Mogens Lykketoft speak to the press. Following the opening of the high-level United Nations General Assembly summit on ending the...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
