Sickle cell disease, also called sickle cell anemia, is a genetic condition that deforms red blood cells.

VOA: special.2009.12.16

After a week or two, the parasites invade red blood cells and reproduce thousands of times.

VOA: special.2009.05.26

The parasites reproduce in the human liver, and then infect the red blood cells.

VOA: special.2010.04.20

People with malaria may suffer kidney failure or loss of red blood cells.

VOA: special.2009.05.26

Together, they help produce red blood cells.

VOA: special.2009.04.21

For this workshop, Larissa used red paint to show how different murder weapons can leave different patterns of blood.

VOA: special.2010.05.05

Doctors say anyone with pain, swelling or red skin on a leg during or after a long trip may have a blood clot.

VOA: special.2009.07.14

But the American Red Cross said that, in the interest of public safety, it would no longer accept blood donations from people who admit to having the condition.

VOA: special.2011.01.18

"On Flanders Field in World War I, She got a big hole from a Bertha Gun, She turned blood red in World War II She hung limp, and low, a time or two.

VOA: special.2010.07.02

I paddled a surfboard into this inlet that was pink red with blood from these large dolphins, these pilot whales that were being piked.

VOA: standard.2010.08.04