Human contacts with oral rabies vaccine baits distributed for wildlife rabies management--Ohio, 2012.

Centers for Disease Control and Prevention (CDC)

MMWR. Morbidity and mortality weekly report 2013 Apr 12

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Baits laden with oral rabies vaccines are important for the management of wildlife rabies in the United States. In August 2012, the Wildlife Services program of the U.S. Department of Agriculture's Animal and Plant Health Inspection Service began a field trial involving limited distribution of a new oral rabies vaccine bait in five states, including Ohio. The vaccine consisted of live recombinant human adenovirus type 5 vector, expressing rabies virus glycoprotein (AdRG1.3) (Onrab). A previously used oral rabies vaccine consisting of a live recombinant vaccinia vector, expressing rabies virus glycoprotein (V-RG) (Raboral V-RG), was distributed in other areas of Ohio. To monitor human contacts and potential vaccine virus exposure, surveillance was conducted by the Ohio Department of Health, local Ohio health agencies, and CDC. During August 23-September 7, 2012, a total of 776,921 baits were distributed in Ohio over 4,379 square miles (11,341 square kilometers). During August 24-September 12, a total of 89 baits were reported found by the general public, with 55 human contacts with baits identified (some contacts involved more than one bait). In 27 of the 55 human contacts, the bait was not intact, and a barrier (e.g., gloves) had not been used to handle the bait, leaving persons at risk for vaccine exposure and vaccine virus infection. However, no adverse events were reported. Continued surveillance of human contacts with oral rabies vaccine baits and public warnings to avoid contact with baits are needed because of the potential for vaccine virus infection.

Citation

Centers for Disease Control and Prevention (CDC). Human contacts with oral rabies vaccine baits distributed for wildlife rabies management--Ohio, 2012. MMWR. Morbidity and mortality weekly report. 2013 Apr 12;62(14):267-9