PTELook at the text below. In 35 seconds, you must read this text aloud as naturally and clearly as possible. You have 35 seconds to read aloud.

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In the spirit of comparative immunology, Baker and her colleagues looked at how another mammal — the black flying fox, a type of bat — handles infections. They sequenced its immunity genes, and observed the immune response in normal bat cells. And they found that, unlike us — the bats always have interferons on patrol. Meaning the proteins do not wait to be activated by invaders.

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