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Ancient immune weapons still shape human defenses, Quanta reports
Somewhere inside every human cell, a molecular alarm system watches for DNA that does not belong. When it spots a viral ...
Bacterial immune systems protect against viral invaders called phages by precisely targeting specific phage genetic sequences ...
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Bird flu 'resistant' to human body's defence system as scientists warn of 'pandemic threat'
Bird flu may be particularly severe in humans because the viruses have shown to be resistant to fever - one of our body's most important defence systems. The human body's temperature will climb in ...
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