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Mar 30, 2022 · But because BA.2 is considered to be relatively new, can the subvariant evade COVID-19 tests and give people inaccurate results? Health experts say it's not likely. Is the Omicron BA.2 Variant Creeping Up in the U.S.?
Apr 27, 2022 · Rapid tests are effective in detecting BA.2, but the high infectivity of the subvariant means it could jump from person to person before a positive result is detected.
Apr 8, 2022 · On whether the rapid at-home tests work for BA.2. The rapid antigen tests do work to pick up omicron.
- Mary Louise Kelly
Apr 5, 2022 · THE ANSWER. No, there is no evidence that the omicron variants are specifically prone to false negatives. Our experts say the likely explanation is that people may be testing too soon before the...
Mar 18, 2022 · But BA.2 lacked the mutation that caused BA.1 to come up negative for one gene. That meant that when looking at P.C.R. test results, BA.2 was indistinguishable from Delta — hence the...
Apr 22, 2022 · The BA.2 subvariant has been referred to as stealth Omicron because it contains genetic mutations that can make it harder to distinguish from the Delta variant using PCR tests compared to the original Omicron variant. That means that while the test can detect a BA.2 infection, it looks like it is the Delta variant instead.
Feb 2, 2022 · Getty Images. BA.2 was first detected in the Philippines. While BA.1 and BA.2 are similar, they are 20 mutations apart. It is not clear where BA.2 originated, but it was first detected in...
