Good morning. I’m Mary Regalado. Stay tuned for your local news from The Hartford Courant, brought to you by Hartford HealthCare. Bring more life to your health and more health to your life with Hartford HealthCare. The forecast in Hartford today calls for thunderstorms and a high of seventy-nine degrees. Here are the top headlines for July seventeenth. First, Supply shortages and backlogs at national laboratory chains are threatening efforts to track and contain COVID-19 across the country.