The 54-year-old woman was admitted to the hospital in May and is listed in serious condition.
The raccoon positives follow wild bird detections in the area involving Eurasian H5N5, one of a constellation of avian flu subtypes currently circulating.
The number of suspected or probable fungal meningitis infections tied to contaminated spinal anesthesia products from Mexico has risen to 18 in the US.
Paraguay's first detections come on the heels of Brazil's first H5N1 detections in wild birds.
The asymptomatic cases are similar to those reported in workers who responded to outbreaks last year in Spain and the United States.
A condor chick's mother died from H5N1, and after the father continued incubating the egg, rescue workers retrieved it before hatching.
Investigations in the hepatitis A outbreak point to organic strawberries imported from Baja, Mexico, in 2022.
Gambia is the latest country in Africa to report H5N1, which was found in shorebirds.
H9N2 avian flu has been confirmed in three children under 11, while H1N1v flu infected two preschool girls.
The virus that infected a man in Chile is nearly identical to H5N1 in wild birds in the country.
