Epi Week #33 - 2014 General Statements

Totals for both EEE- and WNV-positive mosquito pools continue to remain below 2013 and 2012 levels, with only 22 WNV-positive pools and 12 EEE-positive pools so far in 2014. For an indication of how low arbovirus levels have been compared to recent years, note that at this time last year, we had 124 WNV-positive pools, and in 2012 (when aerial sprays were ordered) there were 147 WNV-positive pools and 199 EEE-positive pools.

Districts with arbovirus-positive mosquitoes have continued to implement standard control responses, including larviciding of catch basins and ULV truck spraying of adulticide.

Weather

The map indicates that the I-91 belt took the brunt of the rainstorm that hit Wed., August 13th, with some parts of southern Franklin County receiving over 4.25” of rain. The first half of August featured slightly lower than normal temperatures. The heat originally forecast for this week got pushed to the southern/mid- Atlantic states, so Epi Week 34 is expected to be drier and cooler than normal. Epi Week 35 is expected to have more of the same.