Infographic: How Vaccines Train Innate Immunity
Infographic: How Vaccines Train Innate Immunity
A recent study elucidates some of the changes that occur in the body after inoculation with a tuberculosis vaccine.
Infographic: How Vaccines Train Innate Immunity
Infographic: How Vaccines Train Innate Immunity

A recent study elucidates some of the changes that occur in the body after inoculation with a tuberculosis vaccine.

A recent study elucidates some of the changes that occur in the body after inoculation with a tuberculosis vaccine.

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Special Report
The Immune Hallmarks of Severe COVID-19
The Immune Hallmarks of Severe COVID-19
Katarina Zimmer | Sep 16, 2020
Researchers are trying to make sense of immune systems gone haywire and develop biomarkers to predict who will become the sickest from a coronavirus infection.
Blood Replacement Rescues Mice from Stroke Damage
Blood Replacement Rescues Mice from Stroke Damage
Amanda Heidt | Aug 31, 2020
When mice that had suffered a stroke were given blood from a healthy donor, they experienced less tissue and neurological damage.
An Old TB Vaccine Finds New Life in Coronavirus Trials
An Old TB Vaccine Finds New Life in Coronavirus Trials
Anthony King | May 4, 2020
Studies are underway to test whether giving a shot of BCG vaccine could protect doctors and nurses against COVID-19.
Image of the Day: New Growth
Image of the Day: New Growth
Chia-Yi Hou | Apr 12, 2019
Injection of a hydrogel that mechanically resembles a blood clot promotes the growth of new blood vessels in mice.
Exosomes Linked to Cancer Spread from Chemoresistant Tumors in Mice
Exosomes Linked to Cancer Spread from Chemoresistant Tumors in Mice
Carolyn Wilke | Jan 10, 2019
The vesicles promote metastasis after chemotherapy, but the authors say the results shouldn’t alarm patients and may point to ways to improve treatments.
Image of the Day: Brain, Heal Thyself
Image of the Day: Brain, Heal Thyself
The Scientist Staff, The Scientist Staff | Apr 20, 2018
When a mouse’s brain undergoes traumatic injury, immune cells clear the dead from the affected area, after which blood cells swoop in to repair blood vessels.
Researchers Uncover Previously Unknown Immune Cell Subtypes
Researchers Uncover Previously Unknown Immune Cell Subtypes
Aggie Mika | Jul 16, 2017
Using single-cell RNA sequencing, scientists characterize new populations of dendritic cells and monocytes.
Immunity in the Brain
Immunity in the Brain
Amanda B. Keener | Oct 31, 2016
Researchers document the diverse roles of immune cells in neuronal health and disease.