The initial work up of the child involves a complete blood count
with special attention on platelet count
Malaise with body ache
along with thromobocytopenia could herald Dengue as there is already an outbreak in your community.
Please keep an eye on the warning signs like abdominal pain
or enlargement or vomiting or any mucosal bleeds. This would require instant hospitalization along with proper hydration.
Please donot wait for warning signs to develop. Keep the fever under control with crocin as adviced.
Wishing your child a speedy recovery.