Hong Kong Flu Viruses
by Science Source
Title
Hong Kong Flu Viruses
Artist
Science Source
Medium
Photograph - Photograph
Description
Hong Kong flu viruses. Colored transmission electron micrograph (TEM) of Hong Kong influenza (flu) viruses. In appearance these are typical of the strains which cause other Asian flu epidemics including Beijing influenza. Each virus is rounded in shape, some larger than others. They contain a core of ribonucleic acid (RNA), surrounded by a spiked protein envelope of hemagglutinin. The spikes adhere to host cells during infection. The virus is transmitted by coughed mucus or sneezed droplets. Influenza infection causes fever, headache and weakness. Spikes on the virus however, change their structure to form new potent viral strains. Magnification x54,000 at 6x4.5cm size. x30,000 at 35mm
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May 30th, 2013
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