Which of the following diseases is caused by bacteria?

State in tabular form the modes of transmission of each of the following diseases:
$(a)$ Syphilis
$(b)$ Tuberculosis
$(c)$ Jaundice
$(d)$ Japanese encephalitis

$A$ rabid dog was seen in a colony and everyone was afraid of going near to it. Name the disease and state how this disease is transmitted. The dog is presently considered the reservoir of the disease. What is the meaning of 'reservoir' here? What steps should the Government take to prevent the spread of the disease?

Under which of the following conditions are you most likely to fall sick?
$(a)$ When you are taking examinations.
$(b)$ When you have travelled by bus and train for two days.
$(c)$ When your friend is suffering from measles.
Why?

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	$(c)$

Classify infectious agents into different categories and also mention the diseases caused by them.