We have known for awhile some tests are on the market are not worth the box they are in. Still not finding any reference to ours but more discussion on availability and quality.
"On Thursday, Omicron pushed Italy's COVID numbers over 45,000, a doubling in the past ten days. The effect can be seen at pharmacies and testing centers. Droves of Italians were getting tested in recent days before making the journey to the parents and grandparents' homes for a weekend of feasting on nonna's cooking. They're finding hours-long waits to get tested.
In Milan, the surge in demand led to a variety of tech glitches that exacerbated the waits. The hold-up got so bad at one point on Thursday that Roberto Carlo Rossi, president of a doctors union, told the Italian daily, La Stampa, "I am very worried about the situation of the swabs and the malfunction of the computer systems. The situation is unmanageable and can be seen from the long lines in front of pharmacies."
The full story is at https://fortune.com/2021/12/24/europe-covid-testing-antigen-pcr-crisis-christmas-omicron/
