Sorry to hear this Bay. Hope she is feeling better very soon. Is the J&J waiting period also 14 days?

From what I recall the data seems to show that the J&J takes longer to work effectively than the mRNA vaccines but then again it's only one dose. I thought I heard that it took 49 days to develop sufficient immunity to prevent serious disease/ hospitalization so I was surprised to hear CDC say folks are in the clear after only 2 weeks. I am guessing they don't want folks turning down J&J when available.

My memory of the articles on the J&J vaccine is that it reached its PEAK efficacy in 49 days. At that time, the test group had 100% protection from severe symptoms, hospitalization and death from the coronavirus. To reach an "effective" level of protection, the waiting period was 2 weeks.

I hope OP's daughter is in the age group (under 24) that seems to be least affected by CV19.

I have had two friends that tested positive days after having the Moderna vaccine administered (one was first shot, one was second shot). There was a period just after the shot where they both felt like they were having side effects.

The second shot friend was going to a Super Bowl party so he decided to be tested prior (some co-workers had recently tested COVID+ positive). Extremely mild symptoms that lasted only a couple of days...

The first shot friend is alive and recovering today, but not as lucky. He received his shot one week before snowmaggedon and tested positive three days later. He lost power and water for days during the storm, developed pneumonia and, as a result, soft tissue damage in his chest area. The latter was the most debilitating, resulting in days of not being able to move at all and taking pain medication. The pain medication reacted with his other medications, resulting in various other complications.

She is 24 and should be fine, though miserable right now. She had a full day of sounding (and feeling) terrible after the vaccine but seemed fine before her infectious friend arrived a day later. It's not really fair to draw comparisons but it is interesting that of the three people who came and stayed with her, one who had the Pfizer shots (and sufficient waiting time) did not get sick, one who had no vaccine as yet is not sick and my daughter with a very recent J&J is sick. All in same proximity, for same amount of time.
I wonder if my daughters immune system was taxed from the vaccine....is that a thing in the immediate aftermath of a shot?

bay fan said:

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She is 24 and should be fine, though miserable right now. She had a full day of sounding (and feeling) terrible after the vaccine but seemed fine before her infectious friend arrived a day later. It's not really fair to draw comparisons but it is interesting that of the three people who came and stayed with her, one who had the Pfizer shots (and sufficient waiting time) did not get sick, one who had no vaccine as yet is not sick and my daughter with a very recent J&J is sick. All in same proximity, for same amount of time.
I wonder if my daughters immune system was taxed from the vaccine....is that a thing in the immediate aftermath of a shot?

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I wonder if anybody really knows anything concrete about this virus and the various vaccines. Nothing but the best of luck for your daughter and family! As we look back at the CV19 (I am one who believes we will, soon), I am sure we will learn more and more from statistical analysis of its impact, but it is hard to know what to do (and not do) right now.

Thanks, hopefully she turns a corner and improves today and I agree, I believe we are about to come out the other side. I find this situation one worth following a bit.
Young (24), healthy and fit person who likely followed mask regulations a bit more often then the average but still went out in Dallas each weekend and managed to avoid getting it despite MANY exposures to people she was with during times they likely were infectious. Finally gets a vaccine, gets the 24 hour post shot reaction and within a week is very sick (103.5 fever last night) with Covid after an exposure.

We have come a long way in a year but have much to learn still.