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S. 2543
U.S. Senate•In Senate Committee
Summary
S. 2543, the Stop the SWARM Act of 2025, was introduced in the Senate on Jul 30, 2025 by Sen. John Cornyn (R) with 1 co-sponsor. It was referred to Agriculture, Nutrition, And Forestry, and last saw action on Jul 30, 2025: Read twice and referred to the Committee on Agriculture, Nutrition, and Forestry.
Record
Text
S. 2543 has 1 co-sponsor.
sb2543/introduced-in-senate.txt119 S2543 IS: Stop the Screwworms With Active Readiness and Mitigation Act of 2025U.S. Senate2025-07-30text/xmlENPursuant to Title 17 Section 105 of the United States Code, this file is not subject to copyright protection and is in the public domain.II 119th CONGRESS 1st Session S. 2543 IN THE SENATE OF THE UNITED STATES July 30, 2025 Mr. Cornyn (for himself and Mr. Heinrich ) introduced the following bill; which was read twice and referred to the Committee on Agriculture, Nutrition, and Forestry A BILLTo direct the Secretary of Agriculture to submit a report on New World screwworm readiness and response.1.Short titleThis Act may be cited as the Stop the Screwworms With Active Readiness and Mitigation Act of 2025 or the Stop the SWARM Act of 2025 .2.Report on New World screwworm readiness and responseNot later than 30 days after the date of enactment of this Act, the Secretary of Agriculture shall submit to Congress a report on the New World Screwworm domestic readiness and response initiative of the Animal and Plant Health Inspection Service, with a particular focus on—(1)(A)domestic readiness, including the construction of a domestic production facility in the event of a threat of a domestic outbreak; and(B)exploring partnerships with States and industry with respect to that construction and other domestic preparedness efforts;(2)sterile fly production technology and other eradication tools and technologies; and(3)the benefits of and barriers, including timelines and costs, to enhanced domestic, as compared to international, sterile fly production.
Tracker
The tracker indicates the progress of this legislation as it moves through the legislative process.
- Introduced2025-07-30
- Passed Senate
- Passed House
- Conference
- To President
- Became Law
CRS Summary
The summaries are the Congressional Research Service’s, one per stage. Read them in full.
Introduced in Senate Jul 30, 2025
sb2543/introduced-in-senate.mdShown Here:
Introduced in Senate (07/30/2025)
Stop the Screwworms With Active Readiness and Mitigation Act of 2025 or the Stop the SWARM Act of 2025
This bill directs the Department of Agriculture to submit a report to Congress on the New World Screwworm (NWS) domestic readiness and response initiative of the Animal and Plant Health Inspection Service.
NWS is a species of parasitic fly. The flies lay eggs in open wounds and body openings of warm-blooded animals (e.g., livestock, pets, and wildlife) and people. The eggs hatch into parasitic maggots that burrow into and feed on living tissue or flesh.
Sponsors
Sen. John Cornyn (R) sponsors S. 2543, and 1 member has co-sponsored it from the day it was introduced.
Committees
S. 2543 went before 1 committee: Agriculture, Nutrition, and Forestry.

Actions
S. 2543 has taken 2 actions since Jul 30, 2025.
| Chamber | Action | |||
|---|---|---|---|---|
Jul 30, 2025 | Senate | Read twice and referred to the Committee on Agriculture, Nutrition, and Forestry.Agriculture, Nutrition, and Forestry Committee | ||
Jul 30, 2025 | — | Introduced in Senate |
Votes
S. 2543 has not gone to a roll call.
Titles
S. 2543 goes by 4 titles, 2 of them short titles.
- Stop the SWARM Act of 2025 — Display Title
- Stop the SWARM Act of 2025 — Short Title(s) as Introduced
- Stop the Screwworms With Active Readiness and Mitigation Act of 2025 — Short Title(s) as Introduced
- A bill to direct the Secretary of Agriculture to submit a report on New World screwworm readiness and response. — Official Title as Introduced
Classification
The Congressional Research Service files S. 2543 under Agriculture and Food, one of its 31 policy areas.
CRS Subjects
CRS assigns every bill one policy area from its 31; S. 2543’s is Agriculture and Food.
s2543/policy-areas.txtSource: congress.gov · legiscan.com