Thymus is the site for the development and maturation of

$..........$ produces an army of proteins in response to pathogens into our blood to fight with them $:-$

Humans have an acquired immune system that produces antibodies to neutralize pathogens. Still,the innate immune system is present at the time of birth because it

Give scientific reasons: Virus-infected cells provide innate immunity to other cells.

What is an anamnestic response?

What are interferons? How do interferons check infection of new cells?