Armand
  • Member for 7 months
  • Last seen more than a week ago
1 answers
2 votes
117 views
Can mRNAs modify our DNA (publication misunderstanding)?
Accepted answer
8 votes

The short answer is maybe, but rarely, and the whole Covid virus has never been seen to integrate into the cell's DNA intact. Any integration requires "helper" molecules not found in the ...

View answer
1 answers
-3 votes
80 views
How would a global vaccination campaign stop COVID-19, rather than favor new mutation?
5 votes

As you note in your quote "vaccination may reduce [data shows it does, substantially] an individual's overall risk of becoming infected". If an individual is not infected, they are not ...

View answer
1 answers
2 votes
506 views
What exactly is the difference between Sputnik V lite and Astrazeneca vaccine?
Accepted answer
5 votes

Astrazeneca uses a modified chimpanzee adenovirus vector. Sputnik uses a modified hybrid human adenovirus vector. Since many (most?) humans have been previously exposed to human adenoviruses (but not ...

View answer
2 answers
1 votes
179 views
Why don't we have mDNA vaccines?
Accepted answer
5 votes

mRNA (messenger RNA) is the "working copy" of gene that the machinery in the cell's cytoplasm uses to direct synthesis of a protein (translation). Thus, if you can get a suitable-looking ...

View answer
1 answers
-3 votes
54 views
Risks to quick vaccine development?
Accepted answer
4 votes

Unfortunately, there's no rule about viruses getting weaker. In fact the original SARS-CoV-2 was less deadly than some of the newer variants. In any case, SARS-CoV-2 has pretty much run rampant ...

View answer
3 answers
1 votes
245 views
Why are mRNA vaccines not yet available against other diseases?
Accepted answer
4 votes

A few-year-old review that might be useful is: Pardi, N., Hogan, M., Porter, F. et al. mRNA vaccines — a new era in vaccinology. Nat Rev Drug Discov 17, 261–279 (2018). https://doi.org/10.1038/nrd....

View answer
1 answers
6 votes
39 views
Can autoantibodies found in the father affect the embryo, and how?
3 votes

I think you're right to be stumped. The text you're referring to discusses Fig. 3C in the review; they note it's preliminary data but also seem to use strange/wrong descriptions, e.g. in the Fig 3 ...

View answer
1 answers
1 votes
105 views
How does getting 2 or 3 shots of the Pfizer or Moderna COVID vaccine compare against 1 shot Johnson & Johnson's vaccine + 1 shot of Pfizer or Moderna?
Accepted answer
3 votes

The Astra Zeneca vaccine which is similar to Johnson & Johnson's, was studied in combination with Pfizer's; they found using Pfizer as the second dose after a first dose of AZ gave better results ...

View answer
1 answers
2 votes
52 views
Is the common saying that sitting close to a screen regularly can cause short-sightednes backed by medical science?
2 votes

There is certainly an association between reading at short distances and myopia. Here's an article that suggests a possible mechanism: Reading and Myopia: Contrast Polarity Matters Basically, they ...

View answer
3 answers
0 votes
141 views
Are viral loads in vaccinated people only infectious with the delta variant? If so, why not with previous COVID-19 variants?
2 votes

We have no real scientific data released yet, but here are some things to think about. Being infected, feeling sick and being contagious are three different things. Certainly, many fewer of the ...

View answer
2 answers
-3 votes
49 views
What is the probability that a couple has no common defective gene?
Accepted answer
2 votes

"If a couple has no common defective gene, they can produce a big healthy population from just two people, right?" No. As described in the review "The genetic basis of disease" ...

View answer
2 answers
2 votes
58 views
If person got covid vaccine some time ago, should he get flu vaccine?
1 votes

You've answered your own question: ...the way our bodies develop protection and possible side effects are generally similar whether vaccines are given alone ... "Alone" (i.e. not at the ...

View answer
2 answers
3 votes
77 views
Was there a clear effect attributable to FFP2 (~N95) mask mandates in Germany in crowded environments (shops, buses, etc.)?
1 votes

Apparently no reports from that German experience, but recently researchers published a working paper with the results of "A randomized-trial of community-level mask promotion in rural Bangladesh ...

View answer
4 answers
4 votes
80 views
What are the websites providing medical articles?
1 votes

It's often useful to search on a big database (like PubMed) to find articles you're interested in, then next try to figure out how to access them.

View answer
1 answers
2 votes
142 views
Would a SARS-CoV-2 infection disrupt the blood-brain barrier, leaving the brain more vulnerable to drugs taken simultaneously with the infection?
Accepted answer
1 votes

The Rhea et al. article on SARS-CoV-2 suggests that the S1 protein crosses the BBB by a specific mechanism (general albumin protein does not cross at the same time), so no general disruption of the ...

View answer
1 answers
2 votes
145 views
Why is booster shot needed when mRNA vaccines can induce memory cells?
1 votes

Re: If so, then there is no need to have a third booster shot. Why do you think this? Consider chicken pox/shingles. Clearly, infection with chicken pox once leads to immunity lasting for many many ...

View answer
1 answers
-2 votes
48 views
Why are Ground Glass Opacities termed "Ground Glass"?
Accepted answer
1 votes

As described in this article at radiopaedia.org , the meaning relevant to the question is likely: Ground glass opacification is also used in chest radiography to refer to a region of hazy lung ...

View answer
1 answers
0 votes
21 views
Regarding Covid-2 Spike Antibody Test
1 votes

This fact sheet on the Elecsys Anti-SARS-CoV-2 S test from Roche, the test manufacturer, has useful information. In particular it notes: You should not interpret the results of this test as an ...

View answer
1 answers
0 votes
65 views
How effective is sinovac/sinopharm vaccine
1 votes

You may not have had a chance to see this from the WHO: https://www.who.int/news-room/feature-stories/detail/the-sinovac-covid-19-vaccine-what-you-need-to-know "The WHO Strategic Advisory Group ...

View answer
1 answers
0 votes
28 views
Determining levels of Phenylalanine in common foods
Accepted answer
1 votes

OK, it seems this is more what you were asking for: Food Data Chart http://apjcn.nhri.org.tw/server/info/books-phds/books/foodfacts/html/data/data2e.html Table of Phenylalanine Content of Foods: ...

View answer
1 answers
-1 votes
45 views
The impact of Covid in relation to human origin
1 votes

No, because they don't have exactly the same DNA and the same history of exposure to pathogens, etc. Thinking about such issues in terms of ethnicity is not helpful because our DNA is so different, no ...

View answer
2 answers
4 votes
362 views
Why should/shouldn't one fear the long-term health effects of the Covid vaccines?
Accepted answer
1 votes

Since there are a number of vaccine technologies being used for Covid vaccines, a complete answer is complex. Perhaps the simplest situation is that of the mRNA vaccines (e.g. Pfizer and Moderna). ...

View answer
1 answers
1 votes
24 views
What tools would you use to source a probiotic or other nutritional supplement that is accurately labelled?
0 votes

USP is a third-party verification certification: https://www.usp.org/verification-services/verified-mark

View answer
2 answers
3 votes
61 views
What are ASDH and AS in the context of "cause of death"?
0 votes

(I am a molecular biologist, not a doctor) (earlier text deleted as wrong) My naive reading is that a stroke (CVA) happened, and after a few weeks indirectly caused orthostatic pneumonia (apparently &...

View answer