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First human West Nile Virus infection confirmed in Butte County

The Butte County Department of Public Health Department (BCPH) announced Thursday afternoon the first confirmed human West Nile Virus (WNV) infection in Butte County.

Posted: Jul 30, 2020 2:58 PM
Updated: Jul 30, 2020 4:48 PM

BUTTE COUNTY, Calif. – The Butte County Department of Public Health Department (BCPH) announced Thursday afternoon the first confirmed human West Nile Virus (WNV) infection in Butte County.

As of July 24, 2020, four human WNV infections have been reported in California, not including the Butte County case. WNV is active July through October, with August typically being the peak month in Butte County, according to health officials.

The infected person is over 65 years of age and is hospitalized with severe West Nile virus illness, according to BCPH.

“Mosquitoes capable of transmitting West Nile Virus are here," explained Danette York, Director of Butte County Public Health. "I urge you to protect yourself and your family by wearing appropriate clothing, using effective repellents and avoiding exposure at dusk and dawn."

WNV is transmitted to humans and animals by the bite of an infected mosquito. Mosquitoes become infected when they feed on infected birds.

According to BCPH, residents can reduce the risk of infection by practicing the “Three Ds”:

1. DEET – Use a proven insect repellent like DEET. Other recommended repellents include: picaradin, lemon eucalyptus oil, para-menthane-diol, or IR3535. Always use according to label instructions. DEET can be used safely on infants and children 2 months of age and older.

2. DAWN AND DUSK – Mosquitoes that transmit WNV bite in the early morning and evening. Wear proper clothing and repellent if outside during these times. Make sure that doors and windows have tight-fitting screens to keep mosquitoes out. Repair or replace screens with tears or holes.

3. DRAIN – Mosquitoes lay their eggs on standing water. Eliminate or drain all sources of standing water on your property, including flower pots, old car tires, rain gutters and pet bowls. For standing water that cannot be drained such as fountains, ponds, etc., consider adding “Mosquito Dunks” or mosquito fish, which feed on mosquito larvae. Report unmaintained swimming pools to the local Mosquito and Vector Control District at (530) 342-7350 or (530) 533-6038.

People infected with WNV generally fall into three categories: no symptoms (8 out of 10 people) a fever illness with fatigue and body aches (1 in 5 people), or severe illness with nerve-related symptoms such as encephalitis or meningitis (less than 1 in 150 people). For those who develop a severe WNV illness, symptoms may last several weeks and some symptoms may be permanent. People 50 years of age and older, and individuals with diabetes or hypertension, have a higher chance of getting sick and are more likely to develop complications

California Coronavirus Cases

Data is updated nightly.

Cases: 3055568

Reported Deaths: 34441
CountyCasesDeaths
Los Angeles103280614122
San Bernardino2561091560
Riverside2504362645
San Diego2168352109
Orange2148082477
Santa Clara943661109
Kern86718565
Fresno82485968
Sacramento806781111
Alameda67952765
Ventura62101436
San Joaquin58290786
Contra Costa52965450
Stanislaus42882758
Tulare41867506
Monterey36126255
San Mateo32596309
San Francisco29321262
Solano25806106
Imperial25317465
Santa Barbara25083236
Merced24452308
Sonoma24068240
Kings19435145
Placer17380180
San Luis Obispo15929136
Madera13443151
Santa Cruz12298113
Marin11693157
Yolo10620131
Shasta9776122
Butte9474123
El Dorado782644
Sutter775478
Napa760140
Lassen519516
San Benito496343
Yuba495127
Tehama397142
Tuolumne338240
Nevada320673
Mendocino311432
Amador301631
Lake261230
Humboldt239324
Glenn193519
Colusa17339
Calaveras161723
Siskiyou144613
Mono11214
Inyo97429
Del Norte8662
Plumas5895
Modoc3853
Mariposa3464
Trinity3024
Sierra820
Alpine730
Unassigned00
Chico
Clear
46° wxIcon
Hi: 67° Lo: 36°
Feels Like: 46°
Oroville
Clear
47° wxIcon
Hi: 63° Lo: 50°
Feels Like: 47°
Chico
Clear
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Hi: 60° Lo: 46°
Feels Like: 46°
Red Bluff
Clear
40° wxIcon
Hi: 46° Lo: 17°
Feels Like: 37°
Red Bluff
Partly Cloudy
40° wxIcon
Hi: 65° Lo: 41°
Feels Like: 37°
Chico
Clear
46° wxIcon
Hi: 69° Lo: 40°
Feels Like: 46°
As expected, we had much quieter weather around northern California on Wednesday with plenty of sunshine, much weaker wind, and a wide range of temperatures. Thursday will be similar, but much more active weather is coming.
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