The Quad is a group consisting of Australia, India, Japan, and the United States, not France, making statement 1 incorrect. Maritime cooperation is a significant aspect of the Quad's activities, focusing on maritime security and freedom of navigation, making statement 2 correct. The Quad has a working group on COVID-19 vaccines, coordinating efforts to respond to the pandemic, making statement 3 correct. Therefore, the correct statements are 2 and 3 only.