Questions with the keyword 'immune system'

• how do we get allergic to something? by Lorenzo to Arthur, Clare, Daniel, David, Tora Comments: (No comments so far )
• When you get the flu vaxiene why do they ingect the flu into you at first??????? by sparkels to Clare Comments: (So far, one comment )
• What causes a reaction from the flu vaccine ?? Why does it cause red spots on some people ?? by Orla Graham :-) to Arthur, Clare, Daniel, David, Tora Comments: (so far, 3s comments )
• How do scientists know how to make a flu vaccine if viruses can be different every year? by T-REX to Arthur, Clare, Daniel, David, Tora Comments: (No comments so far )