Skip to content
Lower risk Medical device recall · FDA · Published August 20, 2021

Microbiologics SARS-CoV-2 Swab Control Product Contaminated with Viral Sequences

Microbiologics recalls SARS-CoV-2 Process Control Swabs contaminated with plasmid DNA containing SARS-CoV-2 sequences. These swabs may cause false positive results in nucleic acid tests.

🇺🇸 FDA recall #Z-2487-2021Medical deviceMicrobiologics ›
Take action

Contact the company

Recalling firmMicrobiologics Inc200 Cooper Ave N · Saint Cloud, MN 56303-4440
✎ GovInfoNow plain-language explainer

Microbiologics is recalling SARS-CoV-2 Process Control Swabs that contain plasmid DNA with SARS-CoV-2 sequences. This contamination could lead to false positive results in viral tests, potentially causing unnecessary testing or confusion. Read more at govinfonow.com/recall/61921-microbiologics-sars-cov-2-swab-control-product-contaminated-with-viral.

Source Summary by GovInfoNow · govinfonow.com/recall/61921-microbiologics-sars-cov-2-swab-control-product-contaminated-with-viral · Updated August 19, 2026 · FDA enforcement record: FDA #Z-2487-2021

Cite this page

“Microbiologics SARS-CoV-2 Swab Control Product Contaminated with Viral Sequences.” GovInfoNow, updated August 19, 2026. https://govinfonow.com/recall/61921-microbiologics-sars-cov-2-swab-control-product-contaminated-with-viral. Based on FDA recall #Z-2487-2021 (https://api.fda.gov/device/enforcement.json?search=recall_number:%22Z-2487-2021%22&limit=1).

The FDA announced on August 20, 2021, that Microbiologics Inc is recalling its SARS-CoV-2 Process Control (Swab) because the product is contaminated with plasmid DNA containing target SARS-CoV-2 sequences. The agency classified this as a Class II recall.

How to tell if you have it

  • Brand: Microbiologics
  • Product: SARS-CoV-2 Process Control (Swab)
  • Catalog #: HE0063S
  • Lot numbers: HE0063-100-1, HE0063-103-2, HE0063-103-3, HE0063-103-1, HE0063-104-1, HE0063-101-1 and HE0063-100-1
  • Units affected: 127

The hazard

According to the FDA, the SARS-CoV-2 Process Control (Swab) is contaminated with a plasmid DNA that contains the target SARS-CoV-2 sequences. The product was intended for use as an external, non-viable control material to evaluate the performance of nucleic acid tests that detect the virus.

Context

GovInfoNow's records show Microbiologics Inc has 35 other recalls on record since June 6, 2017. Recent Microbiologics recalls include a December 2, 2025 recall of KWIK-STIK 2-Pack units for potential failure to recover Campylobacter jejuni and a November 13, 2025 recall of Quality Control Kits due to lot labeling mix-ups. Other recent recalls of similar products include a March 16, 2026 Medline Blood Culture Kits recall for non-sterile alcohol prep pads risk and a June 11, 2026 Medline Neuro Pack Kits recall for contamination with Bacillus species.

How to tell if you have this one

Check for catalog number HE0063S and lot numbers HE0063-100-1, HE0063-103-2, HE0063-103-3, HE0063-103-1, HE0063-104-1, HE0063-101-1. These swabs are intended for use as external non-viable control materials in nucleic acid tests.

  • Brand
    Microbiologics
  • Category
    Medical device
Based on the official FDA remedy

What to do — step by step

  1. Check Swab Lot Numbers

    Identify if your swab has catalog number HE0063S and lot numbers listed above.

Where it went and when

Where it was distributed

Distributed nationwide and abroad; the notice names 16 states.

Alaska: nationwideAKMaine: nationwideMEVermont: nationwideVTNew Hampshire: nationwideNHWashington: named in the noticeWAIdaho: nationwideIDMontana: named in the noticeMTNorth Dakota: nationwideNDMinnesota: named in the noticeMNIllinois: named in the noticeILWisconsin: named in the noticeWIMichigan: nationwideMINew York: named in the noticeNYRhode Island: nationwideRIMassachusetts: nationwideMAOregon: named in the noticeORNevada: named in the noticeNVWyoming: nationwideWYSouth Dakota: nationwideSDIowa: nationwideIAIndiana: nationwideINOhio: nationwideOHPennsylvania: nationwidePANew Jersey: nationwideNJConnecticut: nationwideCTCalifornia: named in the noticeCAUtah: named in the noticeUTColorado: nationwideCONebraska: nationwideNEMissouri: nationwideMOKentucky: nationwideKYWest Virginia: nationwideWVVirginia: nationwideVAMaryland: named in the noticeMDDelaware: nationwideDEArizona: nationwideAZNew Mexico: nationwideNMKansas: nationwideKSArkansas: nationwideARTennessee: named in the noticeTNNorth Carolina: named in the noticeNCSouth Carolina: nationwideSCDistrict of Columbia: nationwideDCOklahoma: nationwideOKLouisiana: nationwideLAMississippi: nationwideMSAlabama: nationwideALGeorgia: named in the noticeGAHawaii: nationwideHITexas: named in the noticeTXFlorida: named in the noticeFL

FDA distribution: “Worldwide distribution - US Nationwide distribution in the states of CA, FL, GA, IL, MD, MT, MN, NC, NY, NV, OR, TN, TX,UT, WA and WI. The countries of Austria, Canada, Colombia, France, Germany, Hong Kong, India, Ireland, Italy, Japan and…” States read from FDA’s own wording; “not listed” means the notice does not name it.

Named in the notice: California, Florida, Georgia, Illinois, Maryland, Minnesota, Montana, Nevada, New York, North Carolina, Oregon, Tennessee, Texas, Utah, Washington, Wisconsin.

Recall timeline

FDA terminated this recall 17 months after the firm started it.

1. Firm started the recall: Aug 20, 202112. FDA classified it Class II: Sep 17, 202123. Published in FDA’s Enforcement Report: Sep 29, 202134. FDA terminated the recall: Jan 12, 2023420212023
  1. Firm started the recall
  2. FDA classified it Class II
  3. Published in FDA’s Enforcement Report
  4. FDA terminated the recall

Dates from the agency record only; steps without a date are left out.

Similar recalls

Latest medical device recalls

Keep exploring

Where this comes from

The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.

  • Official source: FDA Recall #Z-2487-2021 (August 20, 2021) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for Z-2487-2021 to see it in context.
  • Plain-language summary written by qwen3:4b on August 19, 2026, from the official record above. Not reviewed by a person — if it conflicts with the FDA notice, the notice is correct. Report an error on this page.
  • GovInfoNow is an independent service and is not a government agency. We republish official FDA recall data; we don’t issue, amend or administer recalls.
GovInfoNow is an independent guide. We are not FDA or any government agency. Always confirm details with the official recall.Data: CPSC · FDA · NHTSA · USDA