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User-friendly nozzles and shields for cattle intranasal vaccinations


This new product from Merck Animal Health offers an efficient and accurate vaccine administration

Merck Animal Health (Merck) has launched a new product to make intranasal vaccination administration easier. The new ALLFLEX CleanVax nozzles and shields provide a sanitary, but quick way of giving intranasal vaccines to cattle. According to a release from Merck,1 CleanVax features shorter nozzles that are less intrusive compared to traditional cannulas. Additionally, it includes disposable clear plastic shields that can be swapped between animals or groups, ensuring a more hygienic administration process.1

“CleanVax nozzles and shields optimize every aspect of the intranasal vaccination process for confidence in a clean, consistent dose every time,” said Jonathon Townsend, DVM, PhD, dairy technical services for Merck, in the release. “The system is simple to use and enhances calf comfort, hygiene, and consistency, making it easier on both the calf and caregiver.”1

ALLFLEX CleanVax nozzles and shields enhance calf comfort and hygiene for clean, fast, and convenient intranasal vaccine administration. (Photo courtesy of Merck Animal Health)

ALLFLEX CleanVax nozzles and shields enhance calf comfort and hygiene for clean, fast, and convenient intranasal vaccine administration. (Photo courtesy of Merck Animal Health)

Some other notable features of CleanVax include the following:1

  • Calf-friendly, shorter nozzles minimize discomfort;
  • Atomizer tips ensure even distribution across mucosal surfaces and reduce product drip;
  • Easy-to-use nozzles attach to any brand of syringe or Luer lock applicator gun;
  • Hygienic shields add a layer of protection and enhance biosecurity.

“CleanVax nozzles and shields are designed to make intranasal vaccine administration more hygienic, calf-friendly, and consistent,” Townsend added. “As a leader in intranasal vaccination technologies, Merck Animal Health continues to advance cattle health and production with innovative and effective solutions for cattle producers.”1

Intranasal vaccines available from Merck Animal Health include:


ALLFLEX CleanVax products are available through a Merck representative or ALLFLEX supplier.


Merck Animal Health announces new user-friendly ALLFLEX CleanVax nozzles and shields for intranasal vaccination. News release. Merck Animal Health. January 30, 2024. Accessed February 5, 2024. https://www.merck-animal-health-usa.com/newsroom/merck-animal-health-announces-new-user-friendly-allflex-cleanvax-nozzles-and-shields-for-intranasal-vaccination

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