In Laredo, a parasite has been detected that hasn't been seen in the US for a long time. Local officials are warning people to be careful. A press conference was held on Friday morning, where city leaders and a congressman spoke about the issue.

The parasite, known as New World screwworm, has been confirmed in 12 cases. Further information about these cases is available from local news sources. City leaders and officials are urging people who own pets or ranches to take action to protect their animals.

Details about what steps to take are available from the source.