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This 1975 transmission electron micrograph (TEM) revealed the presence of a number of infectious bronchitis virus (IBV) virions, which are Coronaviridae family members, and members of the genus Coronavirus. IBV is a highly contagious pathogen, which infects poultry of all ages, affecting a number of organ systems including the respiratory and urogenital organs. Credit: Dr. Fred Murphy; Sylvia Whitfield, CDC
This transmission electron micrograph depicts a number of smallpox virions. The "dumbbell-shaped" structure inside the virion is the viral core, which contains the viral DNA; Mag. = ~370,000x - This Day in History: May 14, 1796: Edward Jenner administers the first smallpox vaccination dingeengoete.blog...
Francisella tularensis -Causative agent of Tularemia. EM image of F. tularensis LVS in the murine macrophage cell line J774. The photo illustrates the ability of F. tularensis to replicate to high numbers in phagocytic cells. Vladimir Baranov, Department of Clinical Microbiology, Immunology, Umeå University.
H3N2 | scamazine This negatively-stained transmission electron micrograph (TEM) revealed the presence of a number of Hong Kong flu virus virions, the H3N2 subtype of the influenza A virus. This virus is a Orthomyxoviridae virus family member, and was responsible for the flu pandemic of 1968-1969, which infected an estimated 50,000,000 people in the United States, killing 33,000.