CCR2 and infection: To identify other receptors that might compensate for CCR2 in iMO recruitment, we compared transcriptional expression of an array of GPCRs, some of which are known to be involved in immune cell trafficking26–29, in iMOs recruited to the brain during HSV-1 (CCR2-dependent iMO recruitment) and LACV (CCR2-independent iMO recruitment) infections.