Eastern equine encephalitis has been detected in three mosquito batches, state officials said.>> Download the FREE WMUR appThe positive tests were confirmed in a mosquito batch in Portsmouth and two batches in Fremont. Fremont also had a batch test positive in September.The New Hampshire Bureau of Infectious Disease Control has raised the risk level in Fremont to high.>> Information: Mosquito-borne diseasesMosquito batches have also tested positive for EEE in Pelham, Manchester, Candia, Sandown, Hampstead and Newton.There have been no human cases of the virus, though a horse in Northwood was diagnosed in August.Health officials are reminding Granite Staters the threat of contracting a mosquito-borne disease remains until the second hard freeze of the year. State officials define a hard freeze as six consecutive hours at or below 28 degrees.