The project is an observational study on the contribution of underlying health conditions to COVID-19 deaths in the United States, between 2020 and 2023. It is an individual project. The data is obtained from data.gov, conditions contributing to Covid-19 Deaths by State and Age between 2020 and 2023. The data was published by the Center for Disease Control and Prevention, CDC. The data will be analyzed and visualized using R to obtain descriptive statistics and to conduct parametric tests