APC	allophycocyanin
B6	C57BL/6
BM	Bone marrow
CFC	Colony forming cells
CMP	Common myeloid progenitors
CVB	Mice born and raised in conventional facility
CVT	SPF mice transferred and co-housed in conventional facility
EM	Effector memory
GMP	Granulocyte-monocyte progenitors
HSPC	Hematopoietic stem and progenitor cells
KL	c-Kit+Lin− cells
KSL	c-Kit+Sca-1+Lin− cells
LMPP	Lymphoid multipotent progenitors
LTHSC	Long-term hematopoietic stem cells
MEP	Megakaryocyte-erythrocyte progenitors
MPP	Multipotent progenitors
OTU	operational taxonomic units
PE	phycoerythrin
SPF	Specific-pathogen-free
tSNE	t-distributed stochastic neighbor embedding