Study the given chart carefully and fill in the blanks $(a)$,$(b)$,and $(c)$:
$S$.No. Name of the disease Causative organism Mode of transmission
$1$. Polio $(a)$ Infection of virus directly/orally
$2$. $(b)$ Lyssa virus Virus enters human body with saliva of an infected animal
$3$. Typhoid Salmonella typhi $(c)$

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(A) Poliomyelitis virus (Polio virus).
$(b)$ Rabies.
$(c)$ Bacteria enters the body via the gastrointestinal tract through contaminated food or water.

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