The metric reported in our API as
totalTestsAntigen only includes tests reported after September, 22, 2020. If previous values become available from North Carolina we will backfill the complete time series.
Negative test results reported in our API and CSVs are calculated by subtracting Positive PCR tests (people) from Total PCR tests (specimens) in the absence of better data.
On September 26, 2020, North Carolina started reporting deaths among individuals who had tested positive via antigen. We record this figure in our Deaths (probable) field.
On September 25, 2020, North Carolina started reporting probable cases which caused the Total Cases to increase by 4,563.
On August 12, 2020, North Carolina announced a major correction in its Total PCR tests (specimens), resulting in a decrease of more than 220,000 reported tests.
On July 22, 2020, North Carolina started reporting the number of patients currently in the ICU.