The captain has asked people in writing and twice on the tannoy to exercise precautions. Yes, we all know that no matter how careful we are some will catch the virus, but being careful reduces risk. I am shocked by the number of people who refuse to wear a mask even for walking about and riding the lifts. Perhaps if it was made mandatory there would be a higher degree of compliance.    In her noon announcement today, the captain advised there has been an increase in the number of cases