« previous next »
« previous next »
 

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

A plant infected with tobacco mosaic virus A plant infected with tobacco mosaic virus
Summary of events in the killing of virus-infected cells by cytotoxic T cells. Summary of events in the killing of virus-infected cells by cytotoxic T cells.
Pneumonia. This common lung inflammation may be caused by bacteria, viruses, or fungi and is often d Pneumonia. This common lung inflammation may be caused by bacteria, viruses, or fungi and is often d
HIV cycle in an infected cell: (a) latent infection; (b) active infection. HIV cycle in an infected cell: (a) latent infection; (b) active infection.
Saprolegnia on an Infected Fish Saprolegnia on an Infected Fish
Infected Tobacco Leaves by a Virus Infected Tobacco Leaves by a Virus
Video: Magnetic resonance imaging (MRI)

For a complete list of videos, visit our video library