The Center for Disease Control (CDC) has great information on present outbreaks, including COVID-19 and Ebola.
The World Health Organization (WHO) has a wealth of information on the COVID-19 Pandemic and on Ebola virus disease. You may want to check out Disease Outbreak News, which provides information on confirmed acute public health events or potential events of concern.
The Food and Drug Administration (FDA) has information on the United States government's response to COVID-19. (FDA en español: Enfermedad del Coronavirus (COVID-19)
National Public Radio is a great source for in depth reporting and stories on COVID-19, especially in their Health section.
The DSHS Texas COVID-19 Surveillance page is maintained by the Texas Department of State Health Services, and is updated daily. Historical Texas COVID-19 Data has historical data available for download.