(FILES) This file photograph taken on March 13, 2020, shows the French aircraft carrier Charles de Gaulle as it arrives in the port of Brest, western France. - The French aircraft carrier Charles de Gaulle has registered 50 cases of novel coronavirus on board, the armed forces ministry said April 10, 2020. None of the 50 crew who tested positive for COVID-19 have suffered "worsening health" so far, the statement said. (Photo by Fred TANNEAU / AFP)