U.S. Department of Agriculture

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Deep Tech1 Nov 2026

MIT engineers design water-resistant microneedles to vaccinate farmed fish

Researchers at MIT and the USDA developed food-grade, water-resistant microneedles made from silk and shellac to safely vaccinate farmed fish underwater.

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Words to know

MicroneedlesMicroneedles are microscopic spikes designed to deliver drugs through the skin without causing pain or deep wounds.AquacultureAquaculture is the farming of aquatic animals and plants in controlled water environments like ponds or pools.