Scientists rescued a mouse immune system.
Will this work in humans?
They published their research today online.
The immune response is alerted by dendritic cells.
They capture infected cells and display fragments of the pathogen.
Dr Jose Villadangos is a researcher of the immune system.
Systemic infections overstimulate dendritic cells. 
A new type of vaccine?
They injected them with a live vaccine.
The vaccine was made of dendritic cells.
They restored immunity in mice with a weak immune system.
Their immune system was compromised by sepsis.
In the case of infections, cells alert the immune system.
The immune system shuts down.
Scientists have discovered that malaria invades the whole body.