[ Sign up for our Health IQ newsletter for the latest coronavirus updates ]As of midnight, schools and most non-essential businesses are closed until Thursday and Islanders must practice physical distancing with anyone outside their immediate household.Exceptions are being made for people who live alone or require essential support.The restrictions were announced on Sunday as health officials reported five new COVID-19 infections, for a total of 17 cases over five days.They come on top of so-called “circuit breaker” measures announced the day before, which cut store and gym capacity in half while banning indoor dining and cancelling many sporting events..