has part has part is about count control strategy inventory census census of vaccination supplies 2022-02-01T00:03:00Z A control strategy inventory census that counts available vaccine doses of one or more similar vaccines. https://orcid.org/0000-0002-9881-1017 Motivated my MIDAS coordination center indexing of COVID-19 data, software, etc. By "similar vaccines" we typically mean same pathogen, but could be similar in other ways (requiring refrigeration of a certain kind). William R. Hogan census of supplies of vaccine products vaccine availability data set vaccine