Real-World STEM Lessons: Fighting COVID-19 Without Hurting Animals

With the world in the grip of a pandemic, it’s important that we keep our students up to speed on current events and find ways to inspire them to consider further study and careers in STEM fields. Equally important is highlighting the myriad ways scientists are working hard to develop much-needed treatments and vaccines for COVID-19, the disease caused by the novel coronavirus. Around the globe, there are a number of animal-free experiments already underway aimed at developing a vaccine or treatment for COVID-19. Given the scale and seriousness of this pandemic, researchers can’t afford to waste time conducting useless tests on animals.

PETA and compassionate people everywhere were heartened to learn that, in order to speed up the development of a potential coronavirus vaccine, the National Institutes of Health (NIH) quickly began testing directly on humans without waiting for the results of the typical, lengthy animal testing phase, showing that the results yielded by tests on animals are irrelevant.

Here are some more examples of innovative ways coronavirus researchers are avoiding cruel and archaic tests on animals in favor of cutting-edge, human-relevant methods:

  • Three-dimensional reconstructed human respiratory tissue models, such as those from Epithelix Sàrl and MatTek Life Sciences, can be used to study COVID-19 infection and screen for potential treatments. A longtime supporter of the two companies, the PETA International Science Consortium Ltd. helped fund the development of a first-of-its-kind model of the lower respiratory tract, EpiAlveolar, available from MatTek Life Sciences. EpiAlveolar is a three-dimensional model composed of human cells from the lower respiratory tract. The cells can be exposed to the test material in the air on one side and can receive nourishment from a nutrient-rich liquid on the other—similar to the workings of a human lung.
  • Scientists at Gauhati University in India used advanced computer simulation methods to work out which parts of the virus are best suited to triggering an immune response in humans. This work could contribute to the design of safe and effective vaccines against COVID-19.
  • Researchers at the University of Bristol in England are growing the virus in cells to gain a better understanding of the way it spreads and causes sickness. Using this technique, they can find out whether it mutates under certain conditions. Unlike pointlessly infecting mice, this work provides crucial information about the virus.

95 out of every 100 new drugs that pass animal tests fail in humans.

  • Researchers at Oak Ridge National Laboratory in Tennessee are using Summit—the world’s smartest and most powerful supercomputer—to identify existing drugs that could be effective in treating COVID-19 in humans. Based on the physical properties of the virus and of each drug, the computer predicts how the two might interact. The effectiveness of promising drugs can then be measured by testing them on cells infected with the virus.
  • In London, scientists are searching for 24 volunteers willing to be infected with other, similar coronavirus strains (that are not known to cause COVID-19) to help pharmaceutical companies safely test potential vaccines and antiviral drugs.
  • A North Carolina company is working to “develop biological 3D models for all major organs and disease states.” PETA has long supported in vitro testing methods such as these, which use human cells. This way, tests that study the way a drug behaves in human tissue can be performed instead of pointless tests on animals that aren’t relevant to human health. The company states, “Given the rapid spread of COVID-19, we are quickly redeploying some of our internal resources to develop a lung model for research into potential COVID-19 treatments.”

NIH reports that 95 out of every 100 new drugs that pass animal tests fail in humans, because they are either unsafe or ineffective. Mice—who have to be genetically engineered just to be susceptible to the disease—show only mild symptoms of COVID-19. Dr. Stanley Perlman, a coronavirologist at the University of Iowa, notes that infecting mice “doesn’t really tell you much about how the virus causes disease.”

In this time of great uncertainty and confusion, there’s one thing we do know for sure: Experimenting on animals is not only unethical but also unjustifiable from a scientific perspective. Animals are not ours to use for any reason—medical schools don’t use them to teach medical students, and animal dissection is archaic and ineffective.

scientists using animal-free testing methods to research COVID-19

Suggested Activities for High School Students

  • Position Paper: Ask students to choose the innovation that they’re most interested in among those described above and to research it further. Then, from the perspective of the scientist using the non-animal method, they should write a position paper addressing the following questions: Why did they choose this humane method instead of using animals? How will their protocol benefit human health? Which disciplines or courses of study would students need to pursue in order to develop similar techniques? For example, students may start by writing, “I’m a researcher at Oak Ridge National Laboratory in Tennessee. I’ve chosen to use a supercomputer instead of experiments on animals to try and find drugs that already exist that could treat COVID-19 …”
  • Debate: Use TeachKind’s Should Animals Be Used in Experiments? debate kit to help students develop a cogent argument that animals should not be used in experiments, citing examples from the COVID-19 testing methods described above. The guiding questions for this activity are the following: If experiments on animals aren’t necessary to combat COVID-19, should they have been used to study other diseases? Should they be used in the future? Why or why not?
  • Invention: Ask students to create a new animal-friendly product or method to test the effectiveness of potential COVID-19 vaccines or to replace animals used in experiments in another way. Provide them with this overview of some non-animal research methods for inspiration. They should write a pitch asking a government body (e.g., NIH) to fund the development and implementation of their new method. They must describe what the method is, how it works, how it would protect human health, and how it would spare animals’ lives.

What You Can Do

Dissecting or experimenting on animals is archaic and cruel—it wastes resources, time, and lives. Speak up for animals by encouraging fellow educators to pledge not to dissect them or use them in experiments.

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