Italian health authorities are seeing evidence that rising temperatures and longer warm seasons are helping mosquitoes spread West Nile virus across a wider area, during more months of the year.

Wayne County officials have confirmed the first human case of West Nile virus in Metro Detroit this year.

Even though we are sweating through a brutal heat wave, we normally love getting outside during the summer. And that always comes with an unwanted crowd — mosquitoes.

West Nile virus season is off to its earliest and worst start since 2004.

Health officials say West Nile virus infections are intense this year, with 40% more cases than usual.

West Nile virus has been confirmed in six Michigan residents so far in 2025, and one person has died, according to health officials.

West Nile virus has been confirmed in an Oakland County resident, marking the county’s first human case this year.

So far this summer, at least 44 samples of mosquitoes in Michigan have tested positive for a mosquito-borne illness. That includes mosquitoes from Wayne, Washtenaw, and Macomb counties.

A spokesperson says Dr. Anthony Fauci spent time in the hospital with a case of West Nile virus and is now recovering at home.

Residents are urged to protect themselves against mosquito bites as the West Nile virus has been detected in Monroe County.

Mosquitoes in St. Clair County have tested positive the West Nile Virus, prompting local authorities to warn the community to take certain precautions.

A horse in Clare County has tested positive for West Nile virus.

Authorities said both horses were unvaccinated against their respective diseases.

European Union officials say there is a growing risk of mosquito-borne viral diseases such as dengue and chikungunya in Europe due to climate change.

It's the height of mosquito season in Michigan and the first West Nile virus cases have been found in residents in the southeastern part of the state.

The first West Nile virus cases of the year have been confirmed in Oakland and Macomb county residents.

The West Nile virus was detected in a sampling of mosquitoes gathered in Macomb County for the first time this summer, officials said.

Michigan health officials have confirmed the state’s first human case of West Nile virus for 2020 in a Wayne County resident. “Whether you’re talking about West Nile, EEE or any other mosquito-borne disease, people and animal owners should take every precaution necessary to prevent infection,” state veterinarian Nora Wineland said. MORE: MHSAA reinstates fall football, other high school sports in MichiganIn 2019, 12 human cases of West Nile virus were reported, including two deaths. Most people who become infected with West Nile virus won’t develop symptoms, but some could become sick three to 15 days after exposure. Here are some recommended steps to avoid West Nile virus, EEE and other mosquito-borne diseases:

MICHIGAN – The first West Nile virus activity for Michigan in 2020 has been reported in a captive hawk from Lapeer County. Residents are reminded that the best way to protect themselves against West Nile virus and other mosquito-borne illnesses, including Eastern Equine Encephalitis, is to prevent mosquito bites. Last year, West Nile virus (WNV) sickened 12 Michiganders, and 20 animals and birds. To date, there has not been EEE detected in Michigan, however this virus is typically detected later in the summer. Mosquitoes that transmit West Nile virus may breed near people’s homes in storm drains, shallow ditches, retention ponds and unused pools.

OAKLAND COUNTY, Mich. The first human case of West Nile virus in Oakland County this year was confirmed Tuesday. RELATED: Another human case of mosquito-borne EEE confirmed in MichiganAccording to the Oakland County Health Division, a 70-year-old man contracted the mosquito-borne virus. It's the fourth case of West Nile virus in the state this year. People with the virus typically experience no symptoms or have a mild illness, such as fever, headache and body aches. Empty water from mosquito breeding sites around the home, such as buckets, unused kiddie pools, old tires or similar sites where mosquitoes may lay eggs.

OAKLAND COUNTY, Mich. - The first human case of West Nile virus in Oakland County this year was confirmed Tuesday. RELATED: Another human case of mosquito-borne EEE confirmed in MichiganAccording to the Oakland County Health Division, a 70-year-old man contracted the mosquito-borne virus. It's the fourth case of West Nile virus in the state this year. People with the virus typically experience no symptoms or have a mild illness, such as fever, headache and body aches. Empty water from mosquito breeding sites around the home, such as buckets, unused kiddie pools, old tires or similar sites where mosquitoes may lay eggs.

PONTIAC, Mich. - A blood donor in Oakland County tested positive for West Nile virus, according to health officials. Members of the Oakland County Health Division were notified about the positive test Thursday by the Michigan Department of Health and Human Services. It's the first blood donation in Oakland County to test positive for the virus this year, officials said. "Mosquitos are present until temperatures are consistently below 50 degrees," said Leigh-Anne Stafford, health officer for Oakland County. , , , Oil of Lemon Eucalyptus or as the active ingredient.

PONTIAC, Mich. A blood donor in Oakland County tested positive for West Nile virus, according to health officials. Members of the Oakland County Health Division were notified about the positive test Thursday by the Michigan Department of Health and Human Services. It's the first blood donation in Oakland County to test positive for the virus this year, officials said. "Mosquitos are present until temperatures are consistently below 50 degrees," said Leigh-Anne Stafford, health officer for Oakland County. "Continue to use insect repellent and take preventive measures to prevent disease and avoid mosquito bites."

West Nile cases are on the rise in the U.S.ATLANTA - The number of West Nile virus cases rose across the United States last year, killing 167 people, according to data released Thursday by the US Centers for Disease Control and Prevention. There were 2,647 cases of West Nile virus last year, the CDC said, which is 550 more cases than the year before. Still, "what the report tells us is, as in years past, West Nile virus is the most frequent cause of neuroinvasive disease." How to protect against mosquito-borne diseaseFor those who are affected by West Nile virus, the consequences can be severe and even deadly. West Nile is transmitted by mosquitoes, making it an arbovirus -- a type of virus transmitted by bugs.

James Gathany/CDCDENVER (KMGH) - Deep inside the state health department's labs at Lowry, technicians are busy testing vials of mosquitoes for West Nile virus. Promise made to fatherRose Gallegos, who lives just west of Ruby Hill Park, is thankful the testing is taking place. That machine extracts DNA from the samples, and determines whether the mosquitos were "positive" for West Nile. With our wet spring and early summer, some people wonder if that puts Coloradans more at risk for West Nile. One one person has tested positive for West Nile in Colorado this season.