COVID-19 cases continue to rise in Grimes County Posted in: COVID-19News Two new COVID-19 cases have been reported in Grimes County, including the first minor to test positive. The additional cases bring the total to 19 cases. Case number 18 is a female in her 50’s whose exposure is community spread. She resides in the 77868 ZIP code outside the Navasota city ...PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today!