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Infectious Diseases: Animations
From the 2007 Holiday Lectures: AIDS: Evolution of an Epidemic
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Antigen presentation and CTL
How a cell infected by a virus signals cytotoxic T lymphocytes to kill the cell before the virus replicates and spreads.
2 minutes 34 seconds
Large: Play: MOV / WMV | Download: MOV (11 MB)/ WMV (23 MB)
Small: Play: MOV / WMV | Download: MOV (5 MB)/ WMV (7 MB) |
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AZT blocks reverse transcriptase
HIV's reverse transcriptase mistakes AZT for thymidine. Once incorporated, AZT stops reverse transcription.
1 minute 46 seconds
Large: Play: MOV / WMV | Download: MOV (5 MB)/ WMV (16 MB)
Small: Play: MOV / WMV | Download: MOV (3 MB)/ WMV (5 MB) |
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HIV life cycle
How HIV infects a cell and replicates itself using reverse transcriptase and the host's cellular machinery.
4 minutes 52 seconds
Large: Play: MOV / WMV | Download: MOV (22 MB)/ WMV (45 MB)
Small: Play: MOV / WMV | Download: MOV (10 MB)/ WMV (14 MB) |
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Protease inhibitors
Protease inhibitors prevent maturation of viral proteins inside HIV particles.
1 minute 6 seconds
Large: Play: MOV / WMV | Download: MOV (8 MB)/ WMV (10 MB)
Small: Play: MOV / WMV | Download: MOV (3 MB)/ WMV (3 MB) |
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U.S. AIDS epidemic
A visual representation of the U.S. AIDS epidemic from 1981 to 1997. Each dot represents 30 cases.
31 seconds
Large: Play: MOV / WMV | Download: MOV (1 MB)/ WMV (4 MB)
Small: Play: MOV / WMV | Download: MOV (0.5 MB)/ WMV (1 MB) |
From the 1999 Holiday Lectures: 2000 and Beyond: Confronting the Microbe Menace
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Bacterial Conjugation
Bacteria can transfer genetic material, and thus drug resistance, to other bacteria via conjugation.
23 seconds
Large: Play: MOV / WMV | Download: MOV (0.8 MB)/ WMV (0.8 MB)
Small: Play: MOV / WMV | Download: MOV (0.4 MB)/ WMV (0.2 MB) |
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E. coli Infection Strategy
Watch this animation to see the molecular tricks that an infectious strain of Escherichia coli uses to infect your gut.
2 minutes 52 seconds
Large: Play: MOV / WMV | Download: MOV (9 MB)/ WMV (14 MB)
Small: Play: MOV / WMV | Download: MOV (5 MB)/ WMV (4 MB)
Learn More |
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Intracellular Infection by Salmonella
In this animation, you can see how one S. typhimurium invades an epithelial cell of the intestinal tract, survives the intracellular defense mechanisms of the host cell, and multiplies.
1 minute 18 seconds
Large: Play: MOV / WMV | Download: MOV (5 MB)/ WMV (8 MB)
Small: Play: MOV / WMV | Download: MOV (2 MB)/ WMV (2 MB)
Learn More |
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Recombination of Viral Genome
When two different strains of influenza infect a single cell, their genetic material can mix freely, resulting in a new third strain of influenza.
3 minutes 5 seconds
Large: Play: MOV / WMV | Download: MOV (7 MB)/ WMV (11 MB)
Small: Play: MOV / WMV | Download: MOV (4 MB)/ WMV (3 MB) |
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Viral Lifecycle
Delivering a single virus to a cell allows the virus to infect the cell, replicate, and give rise to many progeny viruses. These viruses can then infect many neighboring cells.
1 minute 8 seconds
Large: Play: MOV / WMV | Download: MOV (2 MB)/ WMV (4 MB)
Small: Play: MOV / WMV | Download: MOV (2 MB)/ WMV (1 MB) |
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