BOSTON (CBS) – The number of mosquitoes found carrying EEE or West Nile has likely reached record levels in the state this year, according to state public health officials.

Throughout the state, more than 400 samples of West Nile and EEE virus have come back positive.  The samples are also spread across nine different counties.

READ MORE: Mother Mourns Loss Of Lowell Murder Victim Dejah Jenkins-Minus: 'I'm Hurt, I'm Numb'

Officials say those numbers are as high as they have ever seen them.

The state’s only identified human case of EEE was reported on August 8.

READ MORE: Brad Marchand, Linus Ullmark Carry Bruins Past Canucks 3-2

Several towns have found mosquitoes carrying the diseases in recent weeks.

Towns and cities across the state have been increasing spraying efforts, both through the air and on the ground.

MORE NEWS: Celtics Beat Short-Handed Raptors For 4th Win In 6 Games

Additionally, many communities are putting limits on evening outdoor activities, including school sports, in order to keep citizens safe.