Forget needles – this thin strip may improve access to vaccinations

Vaccinations are often difficult to access for people who need them the most. A thin strip may be the answer.

Vaccinations are undoubtedly one of the greatest public health advancements in human history. While developing new vaccines for deadly diseases is a big hurdle in itself, a second hurdle comes in actually distributing those vaccines to remote and impoverished areas of the world.

However, thanks to a team of researchers at the University of Texas, that second hurdle may have just gotten a lot easier to clear.

The team led by Maria A. Croyle, a professor in the College of Pharmacy, has developed a thin, inexpensive, peelable, and lightweight film that can keep live viruses, antibodies, enzymes, and bacteria stable without refrigeration. It can also be administered by mouth.

“It is essentially a plug-and-play platform,” Croyle told UT News. Once her team knows what the vaccine needs to remain stable, they can adjust the strips to support them. The strips resist extreme temperature changes which can render vaccinations useless.

Tiny Strip, Big Potential

Most vaccinations need to be kept within a certain temperature range from their creation right up to administration. Too hot or too cold, and the vaccine is not effective. Traditionally, this requires what is called a cold chain for transportation and distribution. Cold chains are supply chains that are temperature controlled; this is more challenging and expensive than traditional supply chains.

And for some regions of the world, it is practically impossible. Being able to transport vaccines at room temperature would be huge — and potentially lifesaving. Approximately 1.5 million deaths each year could be avoided if global vaccination coverage improves, according to the World Health Organization

Croyle and her team published their findings this month in Science Advances. However, she writes that the journey began in 2007 and was partly inspired by children’s candy.

In The Conversation, she writes:

So far, the strip has had proof-of-concept tests with vaccinations for Ebola and H1N1 influenza. The hope is that it is effective for treatments against other pathogens as well — including SARS-CoV-2019, the culprit behind COVID-19.

Creatine, a popular exercise supplement, might help treat depression
Creatine shows promise as a treatment for depression, boosting the effects of SSRIs and potentially working as a standalone medication.
Axolotls can regenerate their brains
Axolotls are a model organism researchers use to study a variety of topics in biology because of their regenerative abilities.
New treatment “starves” aggressive brain tumors in mice
A treatment that “starved” aggressive glioblastoma tumors in the brains of mice suggests a way to finally fight the deadly cancer in humans.
Meth addiction treatments are finally on the horizon
New antibody and drug therapies may soon help treat meth patients, who currently have no pharmacological interventions.
Blood test can find dozens of types of cancer, with few false positives
Grail’s Galleri multi-cancer blood test found multiple cancers in a study of over 6,000 patients.
Up Next
coronavirus ventilator
Subscribe to Freethink for more great stories