Do people who had already been infected by a virus needs the vaccine to it, if its the same strain? |
- Do people who had already been infected by a virus needs the vaccine to it, if its the same strain?
- If our solar system had 2 suns like depicted in Star Wars on Tatooine, would life be possible or would this be too much radiation to sustain life as we know it?
- Many epidemiologists say that even if they receive a COVID-19 vaccine, they will not change their own behaviors until the overall population is vaccinated. In what way do the behaviors of a vaccinated person increase risk for themselves or their community?
- Has there been any research on Covid19 vaccines in children or pregnant women?
- Are Unvaccinated People More Likely to Die From Covid?
- How did scientists measure the temperature of Mars before the first probes landed there?
- Can immunity be maintained for a viral infection after recovering if continuously exposed to the virus?
- Is the rate at which an organism’s DNA mutates itself subject to evolutionary pressures?
- Atlantic Ocean vs Pacific Ocean?
- Why is Dark Matter called 'matter'?
- Given what we know now about the coronavirus how big a role does asymptomatic transmission play in spreading the virus?
- Aside from Neanderthals, is there any other subspecies of the Homo genus with DNA found in modern humans?
- How does viral transmission work? How is it possible to be in close contact with someone who has recovered from a disease & not catch it?
- Have Pfizer and Moderna patented their vaccines or are they allowing others to replicate it?
- Why is it so that in most cases of RGB stuff like phone displays or “gaming” accessories the number of colour which can be displayed is 16.8 million?
- How quickly can transmission to showing symptoms happen with Covid-19?
- How can axions be a potential component of cold dark matter if they're so light?
- Can a Supernova be observed as vividly as galaxies in the night sky?
| Do people who had already been infected by a virus needs the vaccine to it, if its the same strain? Posted: 04 Dec 2020 06:28 AM PST |
| Posted: 04 Dec 2020 01:09 AM PST Meaning humans wouldn't be as we are, or plants, animals, etc would be different? I know we haven't found life elsewhere in the universe, yet, but it seems that situation would be difficult. And if it's possible to sustain life with two suns, how? [link] [comments]  |
| Posted: 04 Dec 2020 10:51 AM PST I was reading this survey of epidemiologists in the NYTimes which, like many interviews I've read, had experts saying they would not change their personal behaviors until the population was sufficiently vaccinated, even if they themselves had been vaccinated. Why should a vaccinated person not freely return to pre-COVID behaviors? [link] [comments]  |
| Has there been any research on Covid19 vaccines in children or pregnant women? Posted: 04 Dec 2020 03:04 AM PST |
| Are Unvaccinated People More Likely to Die From Covid? Posted: 04 Dec 2020 10:12 AM PST I have a mom who's very anti-vax, and therefore, I don't have a single vaccination. I recently got Covid-19, and it's pretty bad. I also had asthma when I was younger, so I'm worried about that. Thanks for any help! [link] [comments]  |
| How did scientists measure the temperature of Mars before the first probes landed there? Posted: 04 Dec 2020 10:40 AM PST |
| Posted: 04 Dec 2020 11:37 AM PST So after recovering from an infection, our antibody levels are elevated. I'm assuming other infection fighting cells and organisms are elevated for a period of time to protect your body. Hypothetically, does this immune response remain elevated if constantly exposed to the disease? And how does this affect the body long term? Can the individual get "sick" again? [link] [comments]  |
| Is the rate at which an organism’s DNA mutates itself subject to evolutionary pressures? Posted: 04 Dec 2020 05:51 AM PST Sorry if this is an ill-formed question, but my understanding of evolution is that one of the factors determining the "speed" at which an organism evolves is the frequency with which its DNA throws up random mutations in order to be "tested" by the environment. I'm sure the mechanisms behind how this happens are super complex, but are they coded somehow in the genes of an organism so that there could be genes for making animals more "mutation-prone" ? It seems like for example in environments that are less stable or if the organism relied on expanding outwards geographically it would be advantageous for your offspring to be quicker to adapt, whereas if you've found your niche in a very stable environment you'd intuitively want to evolve away from random mutations. I guess in an abstract way it's a kind of "meta-evolution" [link] [comments]  |
| Atlantic Ocean vs Pacific Ocean? Posted: 04 Dec 2020 06:35 AM PST The Atlantic and Pacific Oceans are growing and shrinking respectively because of continental drift. Assuming the process and the rate of said process remain constant, how long will it be until the Atlantic becomes bigger than the Pacific Ocean? (Not how long until the Pacific closes up entirely) [link] [comments]  |
| Why is Dark Matter called 'matter'? Posted: 03 Dec 2020 05:45 PM PST Aside from the fact that the word 'dark' is a placeholder term. As far as I understand we have only measured unexplained gravitational effects. Wouldn't it be more accurate to call it 'dark gravity'? Is matter literally the only thing we know of that could produce such effects? [link] [comments]  |
| Posted: 04 Dec 2020 12:47 AM PST It is my understanding that as we hit the spring and summer months the conventional view, or at least fear, was that asymptomatic spreaders were responsible for most of the new cases. Naturally it is good to take precautions when there are lots of unknowns. Masks are cheap and should be worn to minimize spread. Furthermore there is no real quick way to tell if someone has the virus and is symptomatic, so masks should be worn to minimize risk. However, it seems like asymptomatic spread plays less of a role than we previously thought. Correct me if I am wrong but it is my understanding that family and group gatherings are a leading cause of new cases. Sharing the elevator with three people who have COVID, but are asymptomatic, is less risky then having dinner with a family member who has a cough. I hope it doesn't sound like I am against the asymptomatic transmission hypothesis or wearing masks, I just am wondering if it is still a leading cause of viral spread. Believe me I am a keen mask wearer and will continue to wear one regardless of the responses I get! [link] [comments]  |
| Posted: 03 Dec 2020 02:42 PM PST |
| Posted: 03 Dec 2020 09:52 PM PST Especially in the context of COVID-19. From my understanding, the CDC provided that a person is not contagious if it's been 10 days since symptom onset + no fever without medicine or 2 negative PCR tests. The CDC has also said, though, that a person could test positive for up to 3 months after recovery. But I am a little confused here. If COVID-19 is in someone's body enough to come up on a PCR test, how is it possible to kiss/hug/be intimate/just be in close quarters with a person? Is the risk 0%? Or is there always a risk of catching COVID (or any virus!) from someone who has recovered? [link] [comments]  |
| Have Pfizer and Moderna patented their vaccines or are they allowing others to replicate it? Posted: 03 Dec 2020 07:37 PM PST I think it was the inventor of the polio vaccine that refused to patent it to allow it to be more easily accessible to all. Had big pharma done the same in light of the pandemic or are they still trying to make a buck? [link] [comments]  |
| Posted: 04 Dec 2020 05:18 AM PST |
| How quickly can transmission to showing symptoms happen with Covid-19? Posted: 03 Dec 2020 05:49 PM PST I have heard that in some cases, 2 weeks may pass before someone starts showing symptoms after they are infected.(needs verification) What is the fastest you may show symptoms after infection? [link] [comments]  |
| How can axions be a potential component of cold dark matter if they're so light? Posted: 03 Dec 2020 03:27 PM PST Axions are considered a candidate for cold dark matter, and yet observational constraints require that their mass be less than 10-3 eV/c2 . Shouldn't they then be ultrarelativistic and therefore be a component of hot dark matter, like neutrinos? A very light particle comprising CDM seems contradictory to me, unless they are nevertheless expected to have somehow been produced with low energies (making them non-relativistic). This seems unlikely, so I'm curious where my misunderstanding is. [link] [comments]  |
| Can a Supernova be observed as vividly as galaxies in the night sky? Posted: 03 Dec 2020 06:59 PM PST |
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