PCR can detect the virus as well as identify the type of herpes virus. Because this test is more sensitive than culture, it is useful in circumstances where the virus is present in low numbers (such as viral encephalitis) or if the lesion is several days old.
After a brief stop at Jamaica, Columbus sailed to Central America, arriving at Guanaja (Isla de Pinos) in the Bay Islands off the coast of Honduras on 30 July. Here Bartolomeo found native merchants and a large canoe, which was described as being long as a galley and filled with cargo.
Columbus headed off disaster by promising his crew that if land was not sighted in two days, they would return home. The next day land was discovered. A New World is Revealed. Columbus's journal of his first voyage to America has been lost. However, we do have an accurate abstract of the journal written by Bartolome de las Casas in the 1530s. Las Casas was an historian and Columbus's biographer who had access to the original journal of the voyage. We join Columbus's account as his expedition approaches the islands of the Bahamas. Throughout the account, Columbus refers to himself in the third person as the Admiral: Thursday October 11