Complete the given table:

Disease	Causative organism	Mode of transmission
Dengue fever	$... (a) ...$	$... (b) ...$
$... (c) ...$	Vibrio cholerae	Contaminated food and water
$... (d) ...$	$HIV$	$... (e) ...$
Common cold	Virus	$... (f) ...$

Classify the following diseases into communicable and non-communicable diseases:
$(a)$ Cancer
$(b)$ High blood pressure
$(c)$ Common cold
$(d)$ Diabetes
$(e)$ Tuberculosis
$(f)$ Night blindness
$(g)$ $SARS$
$(h)$ Typhoid
$(i)$ Cholera
$(j)$ Dengue

Which one of the following is not a viral disease?

The role of an active immune system is:

Akhilesh is having a headache and fever. He takes some pills to reduce the fever and headache before going to the doctor. What is this type of treatment called? How can we reduce the effects of the disease? What is the limitation of this type of treatment? What is the possible remedy for these diseases?

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	$(c)$