CCL3 and hantavirus infectious disease: At the peak of hantavirus disease following intramuscular infection with ANDV (day 10), we observed a decrease in the neutrophil chemoattractant MIP-1α in BAL samples from AMθ-depleted hamsters compared to untreated ANDV-infected hamsters, suggesting that AMθ may be an important source of MIP-1α during hantavirus infection in the lung (Fig. 6a).