R0 (the basic reproductive number) tells us more than just how many people will be infected in a totally susceptible population. It can be used to calculate the how much vaccine coverage is needed to get to herd immunity. As COVID-19...

Researchers from Yangzhou University have shown that an uncovered toilet can eject infected aerosol droplets up to three feet, or one meter, in the air, according to a study published on June 16 in the journal Physics of Fluids.

The Deadly Combination part 2/5: This video highlights the impact of drug-resistant TB in South Africa, where the disease is particularly dangerous for those with weakened immune systems due to HIV. It follows the story of a family...

REAL WORLD SCIENCE: Biological Vectors and Infectious Diseases
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Using incredible videography, photos, animation and graphics, this information-packed video introduces students to biological vectors. Viewers will...

Fall in North America, the start of flu season, is when many people receive their yearly flu vaccine. The flu shot differs from other vaccines, such as measles or mumps, which are generally given only once during a person’s lifetime. The...

Last week, we ventured into the world of bedbugs. Rather than frighten you off, this only seemed to when your appetite for episodes on creepy, crawly parasites. You want us to cover lice. I bet some of you are already itching your heads....

Understanding Viruses - Viruses/Immunity Set - Part 1. This clip offers a simplified look at how viruses are structured and how they infect living host cells.

Poliomyelitis is a disease caused by the poliovirus, which has the ability to infect motor neurons in the spinal cord and cause paralysis. American President Franklin Roosevelt was famously crippled by polio. The poliovirus exists in a...

One day in 1976, there was a terrible outbreak of an unknown disease at an American Legion convention in Philadelphia. What was the pathogen responsible for this so-called Legionnaires' disease? Let's find out!

In this episode, we discover a protein that could someday eliminate malaria, learn about microbes battling it out in Antarctica, explore super Wi-Fi that uses UHF channels and virtually unwrap a 1500-year-old scroll.

In this video we are going to look at what happens when a virus invades a host cell. You should already have an understanding of what viruses are.

In this week's episode, we discover a protein that could someday eliminate malaria, learn about microbes battling it out in Antarctica, explore super Wi-Fi that uses UHF channels and virtually unwrap a 1500-year-old scroll.

Lots of kids get the chickenpox. I know I did! I was about four years old. It was awful. But now we can learn all kinds of things about the virus called Varicella-Zoster virus, which causes chickenpox and shingles. What is its structure...

REAL WORLD SCIENCE: Biological Vectors and Infectious Diseases



Using incredible videography, photos, animation and graphics, this information-packed video introduces students to biological vectors. Viewers will...