Jennifer Gardy Famous Quotes
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Clostridium botulinum: Found in jams and preserves that weren't prepared properly, this bad bug produces one of the deadliest toxins on Earth-it enters our nerve cells and paralyzes them. Marketed as Botox, it's injected into people's foreheads to make wrinkles disappear!
Epidemiologists-scientists who study the spread of disease-use a special number to describe how contagious a virus is. It's called the basic reproduction number, or R0 for short. It's complicated to calculate but simple to understand-it counts how many people one sick person is expected to infect over the course of his or her illness. If I'm sick with a cold and I make two other people sick, the R0 of my virus is 2. Colds and seasonal flus typically have R0 values of around 1.5 to 2. The 1918 flu pandemic R0 was estimated to be 2 to 3, while diseases like polio and small pox have R0 values of around 5 to 7.
The bacterium Escherichia coli (E. Coli) takes about twenty minutes to divide. So after one hour, one E. Coli cell has turned into eight. After only six and a half hours, there will be over a million bacteria!
You can even tell where a person's family came from by looking at the type of bacterium he or she carries!
