Update on the EHV-1 in Howard County, Maryland. The Index case was euthanized because of neurologic signs on 4/18; Blood and nasal swabs collected on 4/18 tested positive for EHV1 non-neuro strain, which can cause neurologic disease. The second case presented with a fever of 104.7 on 4/19; No neurologic signs were noted on examination on 4/19. Nasal swabs collected on 4/19 were positive for EHV1 non-neuro strain and blood was negative. This horse was euthanized for other reasons. The third horse presented with a temperature of 102.7 on 4/20. Neurologic exam was normal. He tested negative for EHV1 on nasal swabs and buffy coat on 4/20. Forty-five horses remaining on the premise are being monitored for fevers and/or neurologic signs. The quarantine will remain in place for 30 days from the last clinical case. Go To: http://www.aaep.org/info/horse-health?publication=753 and http://www.aaep.org/custdocs/EHMEHV-1FAQFinal030513.pdf