coronavirus.The indictment, which officials expected to discuss at a news conference, says the hackers in recent months had researched vulnerabilities in the computer networks of companies publicly known for their work in developing vaccines and treatments.The indictment includes charges of trade secret theft and wire fraud conspiracy against the hackers, who federal prosecutors say stole information not only for themselves but also that they knew would be of interest and value to the Chinese government.The charges are believed to be the first accusing foreign hackers of targeting scientific innovation related to the coronavirus, though U.S.