Question

Study the given chart carefully and fill in the blanks a, b, c, and d

Name of Disease	Causative Organism	Mode of Transmission	Symptoms
Polio or poliomyelitis	Poliovirus	Infection of virus occurs directly or orally.	...(a)...
...(b)...	Lyssavirus	Virus enters the human body with saliva of an infected animal.	Severe headache, high fever, Infected person is afraid of water.
Malaria	...(c)...	Infection is carried from an infected person by the bite of female Anopheles mosquito.	Parpxysms of chills fever sweating etc.
Typhoid	Salmonella typhi	...(d)...	Headache, constant high fever in first week, abdominal pain, constipation, etc.

Answer 1

(a) Headache, fever, stiffness of neck and convulsions, paralysis of limbs
(b)Rabies (Hydrophobia)
(c)Malarial parasite, Plasmodium
(d)The disease spreads by food and water contaminated with faeces of the patient. houseflies carry the pathogens from the faeces to food, milk and water.