Designing a Facebook Healthcare application at the beginning of COVID would have been a significant challenge. However, there are several key features that such an application could have included to help users navigate the pandemic. First and foremost, the application could have provided up-to-date information on the virus itself, including any new research or discoveries. It could have also provided information on symptoms, testing, and treatment options. This would have helped users stay informed about the virus and take appropriate precautions. Secondly, the application could have included a feature for users to report their symptoms and receive personalized recommendations on what to do next. This could have included a self-assessment tool to help users determine if they should get tested, as well as information on where to get tested and how to schedule an appointment. Thirdly, the application could have provided users with resources for mental health and wellness. The pandemic has taken a toll on many people's mental health, and an application that provided tips for coping with stress, anxiety, and depression could have been incredibly useful. Finally, the application could have included a feature for users to connect with healthcare providers remotely. This could have included telemedicine appointments with doctors, as well as virtual support groups for those who were struggling with COVID-related illnesses. Overall, designing a Facebook Healthcare application at the beginning of COVID would have required a deep understanding of the pandemic and its effects on users. However, by focusing on providing users with up-to-date information, personalized recommendations, mental health resources, and remote healthcare options, such an application could have been incredibly valuable during a difficult and uncertain time.