Jeremy Singer-Vine contributed reporting for this story. One vaccine, from the Indian company Zydus Cadila, delivers a genetic sequence that makes a viral protein inside loops of DNA. Other leading vaccines are based on inactivated versions of the coronavirus, a long-standing approach to making vaccines, or subunits of viral protein. Examples of such vaccines include those produced by the Anglo-Swedish company AstraZeneca, based on research from Oxford University, Johnson & Johnson, and Russia’s Gamaleya Research Institute. The drawback is that these vaccines are more expensive than those made by splicing genetic material from the coronavirus into a disabled version of another virus. The vaccines from Pfizer/BioNTech and Moderna are based on a new technology that delivers a sequence of RNA that makes our own cells produce viral protein, triggering an immune response. It includes prices from information on purchase agreements compiled by UNICEF, where available. This table shows the largest markets in which each vaccine has been authorized for use, from information compiled by the COVID-19 Vaccine Development and Approvals Tracker at McGill University in Canada, and is sorted according to the total number of approvals received by each vaccine. You can search or navigate through it to find out how your state or territory is doing on these measures.Ī wide variety of COVID vaccines are now in use across the world. The table is sorted in descending order of population size. These numbers can’t simply be added together because some people will fall into both groups: The CDC currently recommends that adults have a booster five months after completing their initial Pfizer/BioNTech or Moderna shots, or two months after receiving the Johnson & Johnson vaccine.
(Because boosters were not tracked by the CDC at the state level until October 2021, a small proportion of these boosters may have actually been given outside of the six-month window.) Among all Californians, 72.3 are fully vaccinated, meaning they have either received both shots of a two.
Instead, this table shows two measures of immunity acquired within the last six months, either from initial shots or a booster, to allow you to compare states on how many people are likely to have better protection from serious disease. So far, 79.9 of residents have received at least one dose, about 31.3 million people. So there is no single number that captures how well any state or territory is doing. If you’re lucky, all your vaccines from childhood will be recorded on one piece of paper: the vaccine card given to your parents at your birth or first pediatrician visit.
Because immunity wanes slowly over time and many Americans had their initial shots in the first half of 2021, we are no longer tracking the percentage of people who are “fully vaccinated.” The US population now consists of a mix of people who have never been vaccinated, those who had their initial shots months ago but have not been recently boosted, and people who are up to date with the shots recommended for them.
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