Share Tweet Share Email Follow. The Tony Awards are finally here and weâve got all the details on what time theyâre on, which channel you need to watch and where the show is taking place. This year, there are two hosts â Alan Cumming and Kristin Chenoweth, who are Broadway royalty.
An allergen is a type of antigen that produces an abnormally vigorous immune response in which the immune system fights off a perceived threat that would otherwise be harmless to the body. Such reactions are called allergies.
Allergen and antigen are both foreign substances that can cause certain disorders to animals, but there is some difference between them in terms of their nature and the diseases caused by them. Both these substances, allergen and antigen, are directly associated with the immune system and its functions.