Add Yahoo as a preferred source to see more of our stories on Google. A text message scam in which tells recipients were told they had come into contact with a person who tested positive for Omicron ...

ARLINGTON, Va. (WJLA) — As quickly as the coronavirus mutates, so do the scams. In the latest surge of criminal activity, trusted PCR test results are being counterfeited and the names of legitimate ...

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.