question: sir,my aunt(f) india  age 26 is having fever 4rm nearly 7 days..body temp goes upto 104 fh bt reduces when cetamol is taken n after 5 hr fever again rises, we hv consulted to doctor ,as per doctors direction we hv performed widal test,malaria n dengue test n al negative n nw doctor has again advice to perform malaria antigen...CAN U SUGGEST some advice