Applied DNA Sciences and Takis Biotech Announce the Production of Neutralizing Antibodies Against SARS-CoV-2 After DNA Vaccination in Animals Beyond expectations, a single injection of DNA in mice induced antibodies that block the infection of cultured human cells by SARS-CoV-2. The press release, from Stony Brook, N.Y. and Rome, Italy, about a vaccine against COVID-19 developed by Applied DNA Sciences (