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Just as a clarification, this 'stealth' BA.2 variant cannot escape PCR detection better than other variants. PCR can still identify positive...
From the israel data, https://datadashboard.health.gov.il/COVID-19/general, Israel tests about 3x more per capita than the US. The positivity rate...
A negative test result is not definitive in showing that someone is not infected or infectious. A person can be infectious up to 48 hours before...
Good news for those in the Houston area. All of the data show that Houston had peaked a week or so ago. TMC is showing decreasing positivity and...
The original IPV polio vaccine was only 80%-90% effective against paralytic polio and 60%-70% effective against all types of polio....
The source for the NY data is here: https://coronavirus.health.ny.gov/covid-19-breakthrough-data The 'fully vaccinated' people are defined as...
For what it's worth, my wife is in her day 5 of isolation from a positive PCR test and her symptoms are very 'allergy-like'. She had the sniffles...
Did the CDC ever say that a negative test is required to leave isolation? I don't remember that ever being a requirement. Testing positive with...
It'll be interesting to see the difference in probability of a serious case of Omicron infection between a vaccinated and unvaccinated person. The...
Olympics ended in early August, which was very likely before the spread of Omicron. Japan identified their first case of community spread of...
Japan implemented extremely stringent border control so Omicron hasn't taken off yet. Foreign travelers cannot enter Japan. Residents and...
Well it finally hit my family. My wife tested PCR positive today as part of the hospital staff surveillance. She has sore throat and a little bit...
That peak for Denmark and Norway looked too sharp to be natural to me. So I looked in the raw data from OurWorldInData. The sharp drop in Denmark...
Here's the paper: https://www.medrxiv.org/content/10.1101/2021.12.20.21267966v2.full.pdf Additional context may explain the negative vaccine...
Polluting the ocean is never good, but masks are just a tiny fraction of plastic waste being dumped in the ocean. According to OceansAsia, they...
I think China is in a lot of trouble with Omicron. If the report that even 3 doses of Sinovac is inadequate is true then China will either have to...
The way vaccine efficacy are calculated is based on comparing the outcome of the vaccinated group compared to a control (non-vaccinated, placebo...
About 95% for severe diseases against original strain, about 87% against Delta, and efficacy against omicron is likely lower, but still being...
In what way are the shots not vaccines? It stimulates the immune system to produce antibodies and provide immunity. It may not be 100% immunity,...
That would be interesting to know. I haven't seen any reports on what exactly the underlying health issue is. There is a big difference between...
