WASHINGTON (AP) - The Justice Department on Tuesday accused two Chinese hackers of stealing hundreds of millions of dollars of trade secrets from companies across the world and more recently targeting firms developing a vaccine for the 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.RELATED: CoronavirusNOW.com, FOX launches national hub for COVID-19 news and updatesThe indictment includes charges of trade secret theft and wire fraud conspiracy against the hackers, who federal prosecutors say stole information that they knew would be of.