Question

Why is secondary immune response more intense than the primary immune

response in humans?​

Answer 1

$\huge\boxed{\fcolorbox{red}{grey}{Answer}}$

ᴛʜɪs ɪs ʙᴇᴄᴀᴜsᴇ ᴏғ ᴘʀᴇsᴇɴᴄᴇ ᴏғ ᴀɴᴛɪʙᴏᴅɪᴇs ᴅᴇᴠᴇʟᴏᴘᴇᴅ ᴅᴜʀɪɴɢ ᴘʀɪᴍᴀʀʏ.