PHILIPSBURG:--- Given the very steep increase in Covid-19 cases and the fact that the highly infectious Omicron variant is becoming the dominant strain on Sint Maarten, people resort to rapid self-testing.
Rapid antigen (Ag) self-testing has its advantages and disadvantages. The tests are cheap, an individual can easily apply the test, and results are obtained in a few minutes. On the other hand, these tests are not as reliable as the rt-PCR test and large variation is seen in sensitivity and specificity between the large amounts of available tests. In particular also in the ability to detect Omicron. The sensitivity ...
