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Bacteria ek chhota organism hae. Ee aadmi logan ko bahut pareshan, bimar aur pidit kar sakti hai. Baktiria se ladhne hetu scientist logan anti-biotic ka aavishkar kare hae. Parantu virus ke saath ladhne hetu kouno cheez nahi hae. Ee paristhiti ko filhaal badlawa jae hai scientist logan dvara.

ReferencesBadlo