Most people in the United States who have received a COVID-19 vaccine got a two-shot regimen made by Pfizer or Moderna, while others were given the one-dose vaccine from Johnson & Johnson.
ຄົນສ່ວນໃຫຍ່ໃນ ສະຫະລັດ ຜູ້ທີ່ໄດ້ຮັບຢາວັກຊີນ COVID-19 ແມ່ນໄດ້ສັກຢາສອງໂດສທີ່ຜະລິດໂດຍບໍລິສັດ Pfizer ແລະ Moderna, ໃນຂະນະທີ່ຄົນອື່ນແມ່ນໄດ້ສັກຢາໂດສດຽວຂອງບໍລິສັດ Johnson & Johnson.