What You Should Know About Covid-19 Testing of Before Gathering

7 min readDec 23, 2020

Health officials are still recommending that people not travel for the holidays. But as indicated by Thanksgiving travel, there’s a good chance people will be visiting family and friends over the December holidays. There are a few important things to keep in mind if you’re planning to get tested before seeing others. One, you should definitely get a test. But two, keep in mind that one negative test is not enough to definitively say that a person does not have the virus. Here’s why, as I’ve previously reported:

The incubation period for Covid-19 — the numbe
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https://dfgwer345.medium.com/horoscope-today-astrological-prediction-for-december-23-whats-in-store-for-aries-virgo-libra-fb74bc11693cof days between when you get infected and when you might see symptoms — can be as long as 14 days. Most people develop symptoms of the virus five to six days after they were exposed (and some people never develop noticeable symptoms). In rare cases, people have developed symptoms at around two days after infection, and data suggests most people will have developed them by day 12. Now, keep in mind that people who get infected with the virus that causes Covid-19 can spread it two or three days before their symptoms start, and people can be most contagious a couple days before they feel ill.

This is why you can’t rely on testing alone to keep you and your loved ones Covid-19-free. Ideally, you would also be taking lots of precautions to ensure that the risk that you are positive is very low in addition to getting a Covid-19 test, like staying away from others and indoor spaces before traveling or gathering.

Testing Reduces, But Doesn’t Eliminate, Risk. (Still, Get One)

If you waited until this week to get one test, keep this in mind. Still, getting tested is better than not

coronavirus.medium.com

WRITTEN BY

Alexandra Sifferlin

Editor of Medium’s Covid-19 Blog. Deputy Editor, Elemental. Prior: TIME Magazine. I’ve covered epidemics, including MERS, Ebola, Zika, and now Covid-19.

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Keep in Mind: The Virus Ignores Seasons

Today is the first official day of winter. If only there were a way to freeze out Covid-19. One of the many things that scientists have learned about Covid-19 over time is that the virus thrives in all seasons. Robert Roy Britt wrote this story in July, but many of the learnings remain. Here’s what’s changed about the knowledge of Covid-19 over time when it comes to seasonality:

Then: Because heat and humidity reduce the virulence of influenza and some other viruses, slowing their spread in summer, there had been speculation that the novel coronavirus might similarly subside, but outbreaks in March in the Southern Hemisphere, when it was warm there, largely dashed those hopes. …

92 Dana G Smith

·4 days ago

The Pulse Oximeter Is Racially Biased

Inaccurate readings mean some Black people have dangerously low oxygen levels that doctors don’t catch

Credit: Grace Cary / Getty Images

Pulse oximeters, the most commonly used tool to measure a person’s blood oxygen levels, over-estimate the oxygen saturation of many Black patients. As a result, these patients may be receiving inadequate supplemental oxygen in hospitals and other settings. It also means that home pulse oximeters that people use to monitor their respiratory function if they have Covid-19 or emphysema could be giving inaccurate readings to Black users.https://dev.meridianforums.northwestern.edu/sites/meridian180/files/2020-12/All-Japan-Badminton-Championship-tv.pdf
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The research, published yesterday in the New England Journal of Medicine, was conducted by doctors at the University of Michigan who were taking care of hospitalized people with Covid-19. The physicians noticed that they were getting different results from pulse oximeters and arterial blood gas, a more invasive but more precise way to measure oxygen levels directly from the blood, and this discrepancy seemed to be happening more often in Black patients. …

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9 Yasmin Tayag

·4 days ago

Moderna’s Vaccine Is Poised to Roll Out in the U.S.

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https://dfgwer345.medium.com/horoscope-today-astrological-prediction-for-december-23-whats-in-store-for-aries-virgo-libra-fb74bc11693c

The FDA is expected to authorize a second vaccine and more Friday vaccine updates

Credit: SOPA Images/Contributor/Getty Images

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https://dfgwer345.medium.com/horoscope-today-astrological-prediction-for-december-23-whats-in-store-for-aries-virgo-libra-fb74bc11693c

There are now 18 vaccines in phase 3 clinical trials and five approved for limited use. Two have been approved for full use: Pfizer’s vaccine in the U.S. and a handful of other countries and CanSinoBio’s vaccine in China. Moderna’s vaccine is poised to soon become the third.

FDA advisory panel recommends Moderna’s vaccine for emergency use authorization

Echoing last week’s Food and Drug Administration (FDA) advisory panel on Pfizer’s vaccines, a panel of experts met on Thursday in another grueling daylong summit to discuss emergency use authorization for Moderna’s vaccine. …

Do You Want to See What Covid-19 Vaccination Looks Like?

Finally, there’s a turning point in the pandemic

Author’s original image

Many frontline healthcare workers received the Pfizer/BioNTech Covid-19 vaccination this week. After nine months of working in fear, we reached a historic moment.

There’s some who fear the vaccine was rushed or not adequately studied. But the Pfizer vaccine study included a mind-blowing number of 44,000 participants. Tobias Hermes explains why we trust the science in The Vaccine is Here — Now What?.

Medika.life encourages doctors to share their experience to help bring vaccine confidence worldwide. My team is sharing on Twitter using #vaccinechallenge. Join us!

Below is what happened when I got my Covid-19 vaccine.

It was aimple, painless, and life-saving. Watch what happens here:

Doctors Sound the Alarm on COVID-19 Cases; Is Anyone Listening?

We are running out of beds, and it is time to step-up.