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Science, Medicine and Technology • 2022-04-02
Experimental nasal spray prevents COVID-19 in mouse models
To test the new molecule the researchers turned to a special kind of engineered mouse model. Normal mice, the mainstay of lab research, unfortunately are not useful for most COVID-19 studies because they don't carry the same receptors that SARS-CoV-2 attaches to in humans. Scientists have, however, genetically engineered a specific mouse model to express those human receptors and enable effective testing of new COVID-19 treatments.