Table 2.

Timeline of Microbiological Investigations Done for the Patient.

	Day of Illness
	Days 8 to 9	Day 11	Day 14	Day 16	Day 40
Measles serology	IgM negative, IgG positive
Dengue serology	Negative
Mycoplasma pneumoniae serology	IgM nonreactive
ASOT	<100 IU/mL		200 IU/mL		200 IU/mL
Cytomegalovirus serology		IgM negative, IgG positive
Epstein–Barr virus serology		IgM negative, IgG positive
Respiratory viruses multiplex polymerase chain reaction		Not detected for all
Widal Weil Felix serology		Not detected for all
Rickettsiae serology		Negative
Blood cultures (aerobic, anaerobic)	No bacterial growth at 48 hours
Urine analysis (/µL)
White blood cell		30
Red blood cell		0
Epithelial cell		5
Urine culture		No bacterial growth
Fluid from submuscular layer
Gram stain smear				No organism seen
Acid-fast bacilli (AFB) smear				No AFB seen
Bacteria culture				No bacterial growth
Fungal culture				No fungal growth