evening to you. here in new york, average new daily covid cases are up nearly 500% in just three weeks. the demand for testing is so great, that city m.it d., a major health provider, has temporarily closed nearly 20 locations because of staffing issues. pfizer s covid pill is the first at-home treatment for coronavirus and it s a promising one. it s aimed for those who are at risk and shown to be nearly 90% effective in preventing hospitalizations and deaths if taken within five days of experiencing symptoms. as quickly as pfizer gets the pills manufactured and delivered, we will immediately provide them to states and jurisdictions for distribution. reporter: but there are also snags as two of the most common monoclonal antibodies treatments that doctors have depended on are unlikely to be effective against omicron. israel is now trying to get ahead of the omicron surge by approving a fourth vaccine dose for those over 60. but even as the biden