The Centers for Disease Control and Prevention has increased the COVID threat level to level 4, signifying a high risk of COVID-19, for two additional cruise destinations on August 30. Puerto Rico and St. Lucia have both been added to the list. The list of cruise destinations that have been given a Level 4: Very High Level of COVID-19 designation is steadily growing. Besides Puerto Rico and St. Lucia, the list includes the Bahamas, St. Maarten, Aruba, Dominica, Curacao, St. Barts, Martinique, the US Virgin Islands, and the British Virgin Islands. Puerto Rico and St. Lucia at Level 4 The...