The US Food and Drug Administration said Tuesday that quick antigen tests people take at home may be less sensitive to picking up the Omicron variant of the coronavirus, but health officials say they're still a useful tool.
The FDA said its recent studies with the National Institutes of Health showed that although the antigen tests detected the Omicron variant, they did so with less sensitivity -- meaning they'll spot an infection less often.
kAm%96 286?4J D2:5 :E 4@F=5 ?@E D92C6 2?J :?7@C>2E:@? @? 9@H >F49 =6DD D6?D:E:G6 2?J @7 E96 E6DED >:89E 36 E@ E96 ~>:4C@? G2C:2?E[ 3FE :E :D H@C<:?8 E@ 86E >@C6 56E2:=D]k^Am
kAmQ$EF5:6D 2C6 F?56C H2J E@ 4@?7:C> E96 C62D@? 7@C E96 2AA2C6?E 564C62D65 D6?D:E:G:EJ] ~?46 E92E :D <?@H?[ 25;FDE>6?ED E@ 6I:DE:?8 E6DED 42? 36 F?56CE2<6? 3J 6249 56G6=@A6C H:E9 DFAA@CE 7C@> E96 usp[ :7 2AAC@AC:2E6[Q E96 usp E@=5 r}} :? 2 DE2E6>6?E]k^Am
kAmp?E:86? E6DED 2C6 86?6C2==J <?@H? E@ 36 =6DD D6?D:E:G6 E92? !r# E6DED 5@?6 :? =23D[ 3FE E96J 2C6 72DE[ >@C6 277@C523=6 2?5 62DJ E@ A6C7@C> 2E 9@>6]k^Am
kAm%96 usp DF886DED E92E A6@A=6 D9@F=5 4@?E:?F6 E@ FD6 E96D6 E6DED 2?5 >2<6 DFC6 E96J 7@==@H E96 :?DECF4E:@?D 4=@D6=J] x7 D@>6@?6 E6DED ?682E:G6 H:E9 2? 2?E:86? E6DE 3FE DE:== DFDA64ED E92E E96J >2J 92G6 r@G:5\`h 3642FD6 E96J 92G6 DJ>AE@>D @C 92G6 366? 6IA@D65 E@ E96 4@C@?2G:CFD[ E96J D9@F=5 7@==@H FA H:E9 2 !r# W@C >@=64F=2CX E6DE]k^Am
kAmsC] p?E9@?J u2F4:[ 5:C64E@C @7 E96 }2E:@?2= x?DE:EFE6 @7 p==6C8J 2?5 x?764E:@FD s:D62D6D[ 6?4@FC2865 A6@A=6 E@ 4@?E:?F6 E@ FD6 C2A:5 r@G:5\`h E6DED]k^Am
kAmQ%96 E6DED 2C6 DE:== H@CE9H9:=6] s@?VE =6E 2?J3@5J E9:?< E92E E96 usp H2D D2J:?8 E92E E6DED 2C6 ?@ =@?86C 8@@5] %96J D2J E96JVC6 =6DD D6?D:E:G6 ?@H] %96J ?6G6C H6C6 `__T D6?D:E:G6[Q u2F4: E@=5 r}}VD |:4926= $>6C4@?:D9 @? %F6D52J]k^Am
kAmQ(92E E96 usp :D D2J:?8 E@52J :D E92E H96? J@F =@@< 2E ~>:4C@? 2?5 :ED 23:=:EJ E@ 56E64E ~>:4C@?[ D@>6 @7 E96 E6DED 92G6 2 5:>:?FE:@?[ 7FCE96C[ @7 E96 D6?D:E:G:EJ[ 3FE E96J DE:== D2J E96 E6DED 2C6 FD67F= 2?5 D9@F=5 36 FD65]Qk^Am
kAmpE 2 (9:E6 w@FD6 r@G:5\`h C6DA@?D6 3C:67:?8 @? (65?6D52J[ &$ r6?E6CD 7@C s:D62D6 r@?EC@= 2?5 !C6G6?E:@? s:C64E@C sC] #@496==6 (2=6?D<J 6>A92D:K65 E96 :>A@CE2?46 @7 2?E:86? E6DED :? QA=246D =:<6 E6DE\E@\DE2J E@ <66A 49:=5C6? :? D49@@=[ :? 9:896C 65 E@ <66A @FC 4@==686 42>AFD6D D276]Qk^Am
kAmQx7 J@FVC6 FD:?8 E96> D6C:2==J[ H6 2C6 23=6 E@ 62D:=J 8:G6 FA 2 =:EE=6 3:E :? E6C>D @7 D6?D:E:G:EJ[Q D96 D2:5]k^Am
kAmu2F4: D2:5 (65?6D52J E92E E96 usp H2D 2:>:?8 E@ 36 QE@E2==J EC2?DA2C6?E :? D2J:?8 E96 D6?D:E:G:EJ >:89E 4@>6 5@H? 2 3:E[ 3FE E96J 5:5 6>A92D:K6 E96C6 DE:== :D 2? :>A@CE2?E FD6 @7 E96D6 E6DED]Qk^Am
kAm%96 =24< @7 56E2:=D 5C6H 4C:E:4:D> 7C@> D@>6 D4:6?E:DED 2?5 E6DE:?8 6IA6CED]k^Am
kAm~? k2 9C67lQ9EEADi^^EH:EE6C]4@>^>:4926=>:?20=23^DE2EFD^`cfdhgec_be``ggheedQ E2C86ElQ03=2?<Qm%H:EE6Ck^2m[ sC] |:4926= |:?2[ 49:67 D4:6?46 @77:46C @7 6|65[ 4C:E:4:K65 E96 uspVD Q6I4665:?8=J G28F6Q DE2E6>6?E E92E @776C65 Q?@ 6IA=2?2E:@? @C 52E2]Q w6 DF886DE65 :EVD ?@E E92E C2A:5 E6DED 2C6 =6DD D6?D:E:G6 Q3FE D:>A=J E92E ~>:4C@? :D >@C6 :?764E:@FD]Qk^Am
kAmQxEVD :>A@CE2?E 7@C A6@A=6 E@ F?56CDE2?5 E92E p{{ E6DED H:== 72=E6C @? 52J `] x7 J@F 766= DJ>AE@>D[ C682C5=6DD @7 E96 E6DE EJA6 \ p$$&|t *~& p#t !~$x%x't[Q 96 HC@E6] QqFE 2=D@ C64@8?:K6 E92E E96 E6DED H:== DE:== 56E64E ~>:4C@? 3FE <?@H E96J >2J 7F>3=6 @? 52J `]Qk^Am
kAmx? :ED 2??@F?46>6?E @? %F6D52J[ E96 usp 5:5 ?@E :56?E:7J DA64:7:4 E6DED E92E >:89E 92G6 C65F465 D6?D:E:G:EJ]k^Am
kAmp33@EE[ 2 4@>A2?J E92E >2<6D 2 A@AF=2C 9@>6 2?E:86? E6DE[ E@=5 r}} E92E :E :D H2E49:?8 E96 D:EF2E:@? H:E9 E96 ~>:4C@? G2C:2?E 4=@D6=J 2?5 92D ?@E D66? 2 492?86 :? E96 A6C7@C>2?46 @7 E96 q:?2I}~( E6DE]k^Am
kAmQp33@EE 92D 366? :?E6?E=J >@?:E@C:?8 E96 >FE2E:@?D @7 r~'xs\`h D@ H6 42? 6?DFC6 @FC E6DED 42? 56E64E E96>] (6VG6 4@?5F4E65 =23 2?2=JD6D 2?5 E6DED @? E96 @>:4C@? G2C:2?E 7C@> =:G6 G:CFD[ :?4=F5:?8 7C@> E96 7:CDE &]$] ~>:4C@? 42D6[ 2?5 q:?2I}~( 56E64E65 E96 G:CFD :? 2== E6DED H6 A6C7@C>65 2E 6BF:G2=6?E D6?D:E:G:EJ 2D @E96C G2C:2?ED] p55:E:@?2==J[ @FC 52E2 7C@> 4FDE@>6C FD6 92D ?@E D9@H? 2?J 492?86 :? E6DE A6C7@C>2?46[Q :E D2:5 :? 2 DE2E6>6?E E@ r}}]k^Am
kAmQ(6 <?@H @FC E6DED 2C6 2 4C:E:42= E@@= :? 4@?EC@==:?8 DAC625 @7 E96 G:CFD 2?5 H6 H:== C6>2:? G:8:=2?E :? 4@?5F4E:?8 2?2=JD6D 2?5 4=@D6=J >@?:E@C:?8 E6DE A6C7@C>2?46]Qk^Am
kAm!C6D:56?E y@6 q:56? k2 9C67lQ9EEADi^^HHH]4??]4@>^a_a`^`a^af^A@=:E:4D^3:56?\4@G:5\8@G6C?@CD^:?56I]9E>=Q E2C86ElQ03=2?<Qm24<?@H=65865k^2m E9:D H66< E92E E96 &$ 925?VE AFD965 6?@F89 E@ D42=6 FA r@G:5\`h E6DE:?8 42A24:EJ] }@H[ 9@=:52J 56>2?5 2?5 E96 9:89=J EC2?D>:DD:3=6 ~>:4C@? 2?5 s6=E2 G2C:2?ED 2C6 =625:?8 E@ 6>AEJ DE@C6 D96=G6D 2?5 =@?8 =:?6D 2E E6DE:?8 D:E6D]k^Am
kAm%96 25>:?:DEC2E:@? :D H@C<:?8 E@ 5:DEC:3FE6 92=7 2 3:==:@? 7C66 2E\9@>6 E6DED[ 3FE :EVD ?@E 4=62C H96? E9@D6 E6DED H:== C6249 p>6C:42?D H9@ H2?E E96>]k^Am
kAm(9:E6 w@FD6 r@G:5\`h #6DA@?D6 s:C64E@C y677 +:6?ED D2:5 (65?6D52J E92E E96 25>:?:DEC2E:@? 6IA64ED E96 4@?EC24E 7@C AFC492D:?8 E96 d__ >:==:@? 2E\9@>6 C2A:5 E6DED QE@ 36 4@>A=6E65 =2E6 ?6IE H66<[Q 255:?8 E92E E96 s6A2CE>6?ED @7 w62=E9 2?5 wF>2? $6CG:46D 2?5 s676?D6 Q2C6 6I64FE:?8 @? 2? 2446=6C2E65 4@?EC24E:?8 E:>6=:?6Q E@ DA665 FA 5:DEC:3FE:@?]k^Am
kAmQ%92E >62?D E92E E96 7:CDE 56=:G6C:6D 7C@> >2?F724EFC6CD H:== DE2CE :? y2?F2CJ] (6V== D6E FA 2 7C66 2?5 62DJ DJDE6>[ :?4=F5:?8 2 ?6H H63D:E6[ E@ 86E E96D6 E6DED @FE E@ p>6C:42?D[Q +:6?ED E@=5 r}}VD y6C6>J s:2>@?5 5FC:?8 E96 (9:E6 w@FD6 3C:67:?8] Q(6VC6 24E:G6=J H@C<:?8 E@ 7:?2=:K6 E92E 5:DEC:3FE:@? >6492?:D>[ H9:49 :?4=F56D 2 H63D:E6 H96C6 A6@A=6 H:== 36 23=6 E@ @C56C E6DED 7@C 7C66[ 2?5 H6V== D92C6 >@C6 56E2:=D :? E96 H66<D 29625 \\ 52JD 2?5 H66<D 29625]Qk^Am
kAm%96\r}}\(:C6k^Am
kAm™ U2>Aj © a_a` r23=6 }6HD }6EH@C<[ x?4][ 2 (2C?6C|65:2 r@>A2?J] p== C:89ED C6D6CG65]k^Am
