community infection rates and in several universities including ucla, columbia and at duke will start their spring semester online. we are at a critical point and how well these measures are implemented by all of us caring for ourselves and for one another will largely determine the outcome of the coming weeks and months ahead. reporter: several large cities like dc and la are joining new york to implement proof of vaccination to enter certain businesses. this as president biden s vaccinate or test requirement for larger companies will face the supreme court a week from next friday. if it s upheld, osha would begin implementation at the january 10. we need to have the therapeutics, have the medicine, have the tests and better assess ability to vaccines and boosters moving forward. reporter: last week the fda cleared pfizer and merck antiviral covid-19 treatment. pfizer s medication was found to reduce hospitalization and death i up to 90%.
community infection rates and in several universities including ucla, columbia and at duke will start their spring semester online. we are at a critical point and how well these measures are implemented by all of us caring for ourselves and for one another will largely determine the outcome of the coming weeks and months ahead. reporter: several large cities like dc and la are joining new york to implement proof of vaccination to enter certain businesses. this as president biden s vaccinate or test requirement for larger companies will face the supreme court a week from next friday. if it s upheld, osha would begin implementation at the january 10. we need to have the therapeutics, have the medicine, have the tests and better assess ability to vaccines and boosters moving forward. reporter: last week the fda cleared pfizer and merck antiviral covid-19 treatment. pfizer s medication was found to reduce hospitalization and death i up to 90%. mike.