A 17-year old boy is suffering from high fever with profuse sweating and chills. Choose the correct option from the following diseases which explains these symptoms and rule out the rest with adequate reason.
(a) Typhoid (b) Viral Fever (c) Malaria

Explanation

(a) Typhoid : It is caused by a pathogenic bacterium salmonella typhi. Pathogen enters the small intentine through contaminated food and water.
Symptoms :
(i) Sustained high fever `(39" to "40^(@)C)`
(ii) Weakness
(iii) Stomach pain
(iv) Constipation
(v) Headache
(vi) Loss of appetite
Typhoid fever can be confirmed by Widal test.
(b) Viral fever :
Symptoms :
(i) High fever (ii) Joint pain
(iii) Weakness (iv) Headache
(c) Malaria is caused by the protozoan parasite plasmodium spread by the bite of the female anophles mosquitoes. The parasite initially multiply within the liver cells and then attack the Red Blood cells (RBCs).
`**" "`Symtoms : High fever recurring with profuse sweating every three to four days associated with chills and headache.
`**" "`There is a possibility, that boy is suffering from Malaria as high fever with profuse sweating and chills are very prominent symptoms of Malaria.