Colorado’s first human cases of West Nile virus in 2025 confirmed in Adams County

Colorado s first human cases of West Nile virus this year were proven in two people who contracted the illness in Adams County society strength administrators disclosed Thursday Those individuals likely contracted the virus from infected mosquitoes in late June the Adams County Healthcare Department stated in a news release While no mosquitoes have tested positive for West Nile in Adams County neighboring counties have validated the virus s presence Colorado s West Nile season started early this year with mosquitoes testing positive for the virus in Denver Boulder County and Weld County near Greeley and Johnstown earlier this month While West Nile can be fatal in rare cases majority of people don t show signs of infection About of people develop flu-like effects and fewer than develop a serious potentially deadly illness Adams County officers reported Related Articles Weld County mosquitoes test positive for West Nile virus Denver confirms presence of West Nile virus as season starts early along Front Range People years and older and with certain curative conditions are at a higher danger for serious illness and anyone who develops a severe headache or becomes confused should see their vitality care provider The best way to prevent West Nile is to protect against mosquito bites People can take precautions like using insect repellent limiting time outdoors at dawn and dusk and wearing long-sleeved shirts and pants when near mosquitoes Adams County administrators mentioned Mosquitoes breed in standing water so emptying water from birdbaths rain barrels toys and flower pots at least once a week can also help limit the spread The Adams County Robustness Department is distributing free insect repellent at its Westminster clinic W nd Ave and at district outreach events throughout the summer Sign up for our weekly newsletter to get wellness news sent straight to your inbox