Undocumented workers have fears about COVID vaccine Jan 6, 2021 national correspondent Enedelia Martinez holds a picture of her partner, Raul Castaneda, who died of COVID-19 in April, at their Shoreview, Minn., home July 20, 2020. (Credit: Dave Hrbacek/The Catholic Spirit, via CNS.) Experts make it clear: everyone in the United States that can needs to get vaccinated for the nation to have chance at herd immunity from the coronavirus, and that includes the millions of undocumented immigrants countrywide. NEW YORK — Experts make it clear: Everyone in the United States that is able to get vaccinated needs to get the vaccine to help the nation achieve herd immunity from the coronavirus, and that includes the millions of undocumented immigrants countrywide.