city, he is committed to seeing the city stay open. we ve got to beat omicron. we ve got to avoid shutdowns. we ve got to avoid restrictions. we ve got to keep moving forward. vaccination is the key. reporter: feeling the urgency for at-home tests and antibody treatments, de blasio is asking president biden to invoke the defense production act. we ve already used that and spent $3 billion to greatly expand the at-home tests. reporter: the press secretary says biden is working to expand access. while some help seems to be on the way, new york s governor is pleading with all new yorkers to get vaccinated and boosted. we have the protection to avoid that situation, so i will once again ask everyone, please, if you re not vaccinated, now is the time. so please do that for your loved ones so they can join you again next christmas, next holiday season. reporter: health experts across the country are pushing the same message. this remains a disease of the