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Share on PinterestA modified version of the SARS-CoV-2 spike protein might help researchers fast track a vaccine.Like other viruses, SARS-CoV-2 features a spike protein, which helps it penetrate and infect previously healthy cells.But while the spike protein typically plays a role in infection, scientists can also use it in vaccines, to “train” a person’s immune…

By Alice Klein Goats’ mammary glands can produce large amounts of proteinsE+/Getty Images Goats can be genetically modified to produce a common cancer drug in their milk, which could slash its production costs. Many of the new blockbuster drugs that are used as cancer treatments are more expensive than older medicines, because they are complex…