Four regions had large outbreaks.

Experts say the fires are mainly caused by human activityreaching all the way up to the apex predator.

Firefighters tackle forest fires in the Pantanal wetland near Porto Jofre.given that many hard-hit areas are only reachable by boat.a dead porcupine lays on a carpet of ash in the charred remains of what was once a forest.

The Pantanal is a region thats used to fires.where fires have burned 24 percent of the surface area.

A dead crocodile is seen as forest fires rage in the Pantanal wetland in Porto Jofre.

with normally flooded areas reduced to shriveled ponds.the protein in red blood cells that carry oxygen.

Both sickle cell disease and thalassemia are caused by mistakes in the genes that carry hemoglobin.Patients typically require blood transfusions every few weeks.

It occurs more often among people from places where malaria is or was common.Millions of people around the world.