Questions tagged [covid]

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1answer
30 views

Does stronger reaction to vaccine (fever, days of nausea) mean that an immune system would have reacted the same to the virus?

I have heard that the real danger of Covid-19 is the strong immune response. Is it more likely that a person's immune system would have reacted dangerously to the virus?
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2answers
141 views

Can the spike protein created by the Covid mRNA vaccines be created independently of the human body, and is there a higher cost to that?

How different in principle is using the bodies own mRNA to create the coronavirus spike protein differ from other methods of using genes to manufacture other drugs or proteins and is there a cost ...
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1answer
49 views

Immunological factors for the cause of headaches following SAR-CoV-2/COVID vaccination

It is generally-accepted that headaches are a common side effect from receiving the COVID vaccine. Vaccine recipients with pre-existing immunity experience systemic side effects with a significantly ...
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0answers
33 views

Why do the COVID vaccines contain the cationic lipids they do?

Why did Moderna & Pfizer specifically pick their SM-102 and ALC-0315 cationic lipids with tertiary amines, branched tails, long linker chains, and small hydroxyl head groups? Are the large tails ...
8
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2answers
162 views

Do the primers used for Covid-19 test work with all new strains?

We keep reading news of new Sars-CoV-2 strains, some of them allegedly able to evade vaccine-induced Igs. That's not unexpected, specially for a single-stranded RNA virus. However, it seems to me that ...
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1answer
47 views

Will Covid-19 wipe out the Humanity that we know of?

As there are multiple variants of Coronavirus and every couple of weeks later there are new, deadly and highly contagious variants of COVID-19 virus emerging from the backdrop, I am just wondering is ...
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0answers
65 views

How difficult is it to adapt an existing vaccine to a virus variant?

There is (at least in France) an ongoing discussion about the Astra-Zeneca vaccine which is perceived as "outdated" because of the prevalence of new variants (the vaccine was designed based ...
2
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1answer
58 views

Can spike protein induced cell fusion be triggered by the mRNA vaccine?

The mRNA-based vaccines cannot lead to COVID-19 or its symptoms since they only lead to the production of the spike protein in the cell. However, the spike protein itself can lead to cell fusion: ...
4
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1answer
347 views

How is SARS-CoV-2 'deactivated' for some Covid vaccines (for example Covaxin)? [closed]

Some Covid vaccines like Covaxin employ a 'Whole-Virion Inactivated Vero Cell'. How is the virion 'deactivated' for the vaccine?