To make your holidays as safe and comfortable as possible, Costa Cruises has implemented a series of hygiene and sanitation measures on board, along with checks to minimise the risk of spreading the H1N1 flu virus on board, which the World Health Organization declared an influenza pandemic.At the port, you will receive a letter with all the details of the precautionary measures implemented by Costa Cruises along with a questionnaire that you must complete and hand in when boarding. At certain times of the year, we may check your body temperature upon boarding.