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Scientists have found a new
of our immune system. It could help our body fight
. Researchers in Israel told the BBC the
"could provide an
source of natural
". Dr Yifat Merbl said: "These
pave the way for [new]
in the fight against
diseases." The "new" part of the immune system is from a
function that recycles proteins. It can produce
that kill bacteria and viruses.
