The state Department of Health announced Wednesday that a Saratoga County resident died in recent months after contracting a rare tick-borne illness known as Powassan Virus.

The Okanagan Indian Band is advising residents to not enter or consume water from the north arm of Okanagan Lake until further notice due to a toxic algae bloom.

Two people were found to have plague this week. What does the disease look like in the modern world, and why does it keep happening in New Mexico?

Authorities have warned residents to watch out for mosquito bites and clean out pet bowls as the Aedes aegypti species breeds in stagnant water.

When conditions are right, phytoplankton populations can grow explosively. And the ones blooming in the Black Sea right now are reflective, turning the usually dark water bright and milky.

Tropical, tube-shaped animals called pyrosomes, known as "fire bodies,"; appear by the millions off the Pacific Northwest and Alaska. No one knows why.

The Finnish Environment Institute (SYKE) has warned that the Gulf of Finland faces the risk of earlier and larger than usual blue-green algae blooms this summer – weather permitting. The environment agency says high levels of phosphorous have the potential to feed abundant toxic algal growths.

BANNOCK COUNTY -- Mosquitoes infected with the West Nile Virus have been discovered in eastern Idaho, health officials warned Friday.

County health officials have detected a species of mosquito responsible for spreading Zika and other viruses for the first time in Southern Nevada.

The Health Department says two batches of mosquitoes tested positive for West Nile virus, but no human cases have been reported.

The Jackson County Medical Examiner has sent samples for testing to the Missouri Department of Health after a possible West Nile death. If confirmed it would be the earliest West Nile fatality in a calendar year in Missouri history.

Tick season is here and it's no secret the parasites can transmit dangerous diseases.But there's a relatively new and rare tick-borne disorder that causes an allergic reaction to red meat called 'Alpha Gal.'Jasmine Bailey reports how the tick that carries

Scientists predict a record year for ticks on Long Island and the rest of the Northeast, and they are attributing the surge to a confluence

No one really knows why algae put so much effort into making poisons. Alexandrium makes saxitoxin, and causes PSP. Another algae called Pseudo-nitzschia produces domoic acid, the source of amnesiac shellfish poisoning.

A parasitic copepod- similar to or possibly Salmincola.

"A decade after the “Save the Rainforest” movement captured the world’s imagination, Cargill and other food giants are pushing deeper into the wilderness."