Active discussions

Best Amazon Prime Day deals: Mumsnet favourites

Best Amazon Prime Day deals:
Mumsnet favourites

Shop now

Please or to access all these features

Talk
Covid

Mumsnet doesn't verify the qualifications of users. If you have medical concerns, please consult a healthcare professional.

Original poster

Booster will it make an LFT positive?

18 replies

purpleme12 · 23/12/2021 01:19

If i have the booster tomorrow
does it affect your LFT result?
will it make it show as positive if i take an LFT test tomorrow or friday?

OP posts:
nordica · 23/12/2021 01:20

No. There is no covid virus in the vaccine and it won't affect your test results.

Flaxmeadow · 23/12/2021 01:23

No

Blondie1984 · 23/12/2021 01:24

Not sure but I deliberately didn’t have my booster when it was due because I was going to the US the week after and heard it could influence the test results

Original poster
purpleme12 · 23/12/2021 01:31

oh dear i don't know what to do

OP posts:
Emmelina · 23/12/2021 01:44

No. I had my booster nearly 2 weeks ago now, and have continued my schedule of testing every couple of days for work. Nothing.
If you do happen to get a positive (followed by positive PCR), you’ve been unlucky and caught it before the booster has taken full effect.

hashbrownsandwich · 23/12/2021 02:00

As a vaccinator I'm asked this frequently and the simple answer is no. It's not possible.

chutneypig · 23/12/2021 07:18

The lateral flow tests for a different antigen than the spike protein, so the booster won’t affect your tests.

I had my booster on Sunday and have had negative LFTs since.

Porcupineintherough · 23/12/2021 07:19

@Blondie1984

Not sure but I deliberately didn’t have my booster when it was due because I was going to the US the week after and heard it could influence the test results
You fool
theseriousmoonlight · 23/12/2021 07:20

I had my booster on Monday and have been testing pretty much daily since the weekend. All negative results so far.

PurpleDaisies · 23/12/2021 07:23

No. There is no plausible mechanism for this to happen,

Hazelnutbean · 23/12/2021 08:00

The LFT tests for the virus. The booster doesn't contain the virus.... (unlike old style vaccines which had modified forms of viruses they were protecting against).

Mindymomo · 23/12/2021 08:16

You now get a PCR test to confirm you have covid and preferably isolate until you get results and if it comes back positive, you isolate for the recommended days and it’s a good idea to let people know who you have been in close contact to. Don’t worry about telling people, it’s not your fault you may have caught it.

BoxingDayHam · 23/12/2021 08:16

No

BoxingDayHam · 23/12/2021 08:17

@purpleme12

oh dear i don't know what to do
What do you mean? It won't affect your LFT result.
SundayTeatime · 23/12/2021 08:19

No. It won’t affect it.

Original poster
purpleme12 · 23/12/2021 08:53

@Mindymomo

You now get a PCR test to confirm you have covid and preferably isolate until you get results and if it comes back positive, you isolate for the recommended days and it’s a good idea to let people know who you have been in close contact to. Don’t worry about telling people, it’s not your fault you may have caught it.
I know what to do if i get covid

ok thank you everyone. It's safe to have it then

OP posts:
Blondie1984 · 26/12/2021 02:00

@Porcupineintherough nope, it was actually a pretty smart move given that the trip was to get another form of medical treatment that will have a far greater impact on my health

Roadtripconcept · 26/12/2021 08:08

[quote Blondie1984]@Porcupineintherough nope, it was actually a pretty smart move given that the trip was to get another form of medical treatment that will have a far greater impact on my health[/quote]
How was it a smart move ? The booster wouldn't affect LFT/PCR results . It would have given extra protection on your flight and while having a medical procedure .
Am I missing something here ?

New posts on this thread. Refresh page
Swipe left for the next trending thread