The Deadliest Virus on Earth
Learning Stats
Nível CEFR
Total Words
Unique Words
Dificuldade
Legendas (99 segments)
DownloadIn the 1970s thousands of Chickenheads rained from the sky in Europe, making foxes and other
wildlife confused and very happy. Why? They were filled with a vaccine to fight the deadliest
virus known to humanity – since the 1930s a rabies epidemic had been sweeping across
wildlife populations in Europe and humans wanted to finally get rid of the virus once and for all.
Rabies is named after Lyssa, the ancient Greek spirit of mad rage,
and has been haunting us for at least 4000 years. It can turn animals into angry beasts
and humans into zombies that fear water. But what makes Lyssa fascinating is not just how
bizarre and deadly its infection is, but also how incredibly good it is at avoiding our defenses.
Viruses exist on the edge between life and death, hardly more than a few genetic instructions that
need living cells to multiply. The lyssavirus is simple even for a virus: It has only five genes,
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Key Vocabulary (11)
Used to refer to the person or people that the speaker is addressing. It is the second-person pronoun used for both singular and plural subjects and objects.
A system is a group of parts that work together as a whole. It can be used to describe a set of rules, a computer program, or a part of the body.
A submicroscopic infectious agent that replicates only inside the living cells of an organism, often causing disease. In technology, it refers to a piece of malicious code that replicates itself to damage or disrupt a computer system.
Immune describes the state of being protected from a specific disease, typically through vaccination or prior exposure. It can also figuratively refer to being unaffected by something negative, such as criticism, or being exempt from certain duties or legal consequences.
To hit someone very hard on the head, typically with a heavy or blunt object. It is a graphic and often informal verb used to describe a violent strike to the skull.
Grammar in This Video
"hardly more than a few genetic instructions that need living cells to multiply."
"Lyssa probably binds to the receptors that are crucial for this process."
"It needs to get to the cellular machinery to take over the cell."
"but in a nutshell, Interferons alert your immune system to make antivirus weapon..."
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