If the common cold is a type of coronavirus and we're unable to find a cure, why does the medical community have confidence we will find a vaccine for COVID-19? |
- If the common cold is a type of coronavirus and we're unable to find a cure, why does the medical community have confidence we will find a vaccine for COVID-19?
- Do very large animals like whales have noticeable time lag in their reactions and motor functions associated with extremely long nerves?
- How did the 1918-19 Spanish Flu end?
- Covid-19 can have up to a 14 day incubation period, where some people have no symptoms. What is happening/what is the virus doing during that time?
- How often do cancer cells develop in our body that self-terminate or are caught by the immune system before doing any harm?
- How do chemicals in cigarettes cause lung cancer?
- Does every element have atleast one stable isotope, even if its not known what ratio it is neutron to proton wise?
- How is the global blood supply amid COVID-19?
- How did early humans obtain enough iodine from their diet?
- What is the mechanism by which a virus dies outside a host cell--and what happens to the RNA inside?
- How does soap remove compounds besides lipids?
- What exactly is the cause of chest pain with COVID-19?
- How do doctors know when it is safe to stop giving vaccinations against a disease?
- How is R0 calculated/estimated?
- How are studies on transmission actually conducted?
- How do false positives happen in Viral testing?
- Is the amount of virus material you recieve important in the course and severity of the disease?
- How did scientists infect monkeys with SARS-CoV-2?
| Posted: 27 Mar 2020 10:51 AM PDT |
| Posted: 27 Mar 2020 06:09 PM PDT |
| How did the 1918-19 Spanish Flu end? Posted: 27 Mar 2020 11:08 AM PDT I know there are competing theories as to how the flu began and we know with a fair degree of certainty why it was so virulent, but how did it seemingly suddenly end? Herd immunity? Better medical precautions? Something else? [link] [comments]  |
| Posted: 27 Mar 2020 07:44 PM PDT |
| Posted: 27 Mar 2020 05:57 PM PDT |
| How do chemicals in cigarettes cause lung cancer? Posted: 28 Mar 2020 06:42 AM PDT |
| Posted: 27 Mar 2020 05:03 PM PDT So is every element susposed to have a stable isotope? Also is there a means, mathematically or however, to determine the stable isotope/s of any given element? And by "stable" does this just refer to an element as having an extremely long decay time? [link] [comments]  |
| How is the global blood supply amid COVID-19? Posted: 27 Mar 2020 10:21 AM PDT I used to donate blood regularly and meant to do it soon, and I was getting a lot of emails about how short the supply was (nationally we were down to less than a day's worth). Now that we're practicing social distancing, how is the blood supply and how are donation sites keeping donors safe? What is being done to stretch the existing supply? [link] [comments]  |
| How did early humans obtain enough iodine from their diet? Posted: 27 Mar 2020 10:50 AM PDT Been reading up on iodine deficiency in inland populations due to lack of access to marine foods. How would early humans that were inland have got enough iodine from their diet if they didn't have access to these foods? Were the earliest humans just always close enough to lakes and rivers to catch fish, or was iodine deficiency just a condition that was tolerated? Thank you. [link] [comments]  |
| What is the mechanism by which a virus dies outside a host cell--and what happens to the RNA inside? Posted: 27 Mar 2020 02:28 PM PDT I've read lots on what soap does to viruses (so cool!), but I can't seem to find anything about how simply being outside a host cell long enough renders a virus inert, and I'm especially curious what happens to the genetic material inside once that happens. Does something else grab it up, or does it just wither to nothing? E.T.A.: The subject line should read "RNA/DNA inside." [link] [comments]  |
| How does soap remove compounds besides lipids? Posted: 27 Mar 2020 10:42 AM PDT With everyone being told to wash your hands, I wanted to understand more about the mechanism by which soap works. I understand with lipids (fats, oil, COVID-19) the lipophilic characteristic of soap will bind with lipid layers. Once bound, they are then removed when rinsed away or torn apart via mechanical action. However, how does soap work to remove other compounds from our hands? Do soap molecules bound with other compounds? As an example, I recall a time recently when after a camp fire, I washed my hands and face. After drying, I noticed that the smell of smoke was significantly diminished. The soap was unscented as well, so I did not think the scent was merely masked. Any answers are appreciated :) [link] [comments]  |
| What exactly is the cause of chest pain with COVID-19? Posted: 27 Mar 2020 06:21 AM PDT I noticed one of the symptoms of COVID-19 is persistent pain or pressure in the chest. This is considered to be a serious symptom that requires medical attention. I am wondering if someone could explain what is going on inside the human body that causes this pain or tightness. Thanks for any insight you can provide. [link] [comments]  |
| How do doctors know when it is safe to stop giving vaccinations against a disease? Posted: 27 Mar 2020 07:40 AM PDT Will people still be vaccinated against measles and polio after 100 years? [link] [comments]  |
| How is R0 calculated/estimated? Posted: 27 Mar 2020 07:10 AM PDT I've seen the r0 estimated for the coronavirus as less than the common cold but it seems to be crazy contagious. Are people underestimating the r0? [link] [comments]  |
| How are studies on transmission actually conducted? Posted: 27 Mar 2020 05:23 AM PDT For example, "the main pathway for virus to transmit is by droplets", how did they study percentages? [link] [comments]  |
| How do false positives happen in Viral testing? Posted: 27 Mar 2020 03:50 AM PDT That might be quite an open question. As I understand it, testing involves changing the RNA in the sample to DNA and then matching it to another sample. That seems kind of foolproof, so why do people test positive for a virus they don't have? [link] [comments]  |
| Is the amount of virus material you recieve important in the course and severity of the disease? Posted: 26 Mar 2020 10:34 PM PDT I can image with 1 virus particles you only infect one cell and it takes a while yo infect and thus kill other cells. in that tima the body can start working on an immune response. With recieving millions of virus particles those infect millions of cells that will die from reproducing the virus and also will be ahead of any immune response. Could this be explaining some of the health care and often younger cases dying? [link] [comments]  |
| How did scientists infect monkeys with SARS-CoV-2? Posted: 27 Mar 2020 10:38 AM PDT I'm curious to know how monkeys were able to be infected with SARS-CoV-2. https://www.biorxiv.org/content/10.1101/2020.03.13.990226v1 It was through unfortunate mutations that SARS-CoV-2 was able to become zoonotic and jump species from an animal to infect humans. So how then were they able to get it to jump species again to a monkey species? How were they able to get the SARS-CoV-2 spike proteins to fit into the receptors on monkey cells? I would think that monkey cells wouldn't have receptors that fit SARS-CoV-2 spike proteins since they're not human? Or is it that primates share the same structure for the ACE-2 receptor in their cells as humans do, which would mean that SARS-CoV-2 is able to infect any primate species closely related to humans? [link] [comments]  |
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