Platelet count decreases in

Correct option is C

Ans (c)
Sol. Explanation:
· Dengue is a viral infection transmitted by mosquitoes, and one of the characteristic features of dengue fever is thrombocytopenia (low platelet count). The virus affects the bone marrow, leading to decreased platelet production.
· Malaria can cause a decrease in platelet count, but it is not as pronounced as in dengue.
· Filaria generally does not cause a decrease in platelet count.
· Typhoid (caused by Salmonella typhi) typically does not affect platelet count significantly, though it can cause other complications.