The daily number of U.S. deaths from the COVID-19 virus neared 1,000 per day last week, the highest level the country has seen since February. The seven-day moving average of COVID-19 cases reported by the CDC, is at 149,263, and continues to rise. There are currently four variants circulating in the United States; Alpha, Beta, Delta, and Gamma, with Delta making up over 99% of all cases. It seems like every day, someone we know in racing has contracted COVID, from trainer Todd Pletcher to the TDN's own Christina Bossinakis,...