Study

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COVID-19 Antibody Seroprevalence in Santa Clara County, California

The antibody testing is out - it estimates ~3% of people in Santa Clara County (CA) have been infected and recovered, 50-plus times the estimate of confirmed active cases. More evidence #SARSCoV2 is far more widespread and thus less dangerous than expected.

Corona, Study, Stanford
Indoor transmission of SARS-CoV-2

Home outbreaks were the dominant category (254 of 318 outbreaks; 79.9%), followed by transport (108; 34.0%; note that many outbreaks involved more than one venue category). Most home outbreaks involved three to five cases. We identified only a single outbreak in an outdoor environment, which involved two cases. Conclusions: All identified outbreaks of three or more cases occurred in an indoor environment, which confirms that sharing indoor space is a major SARS-CoV-2 infection risk.

medrxiv, Corona, Study
Marijuana-Opioid Connection
Abortion, Pregnancy, Study, Marijuana, Opioid
Most Flu Is Asymptomatic

On average, roughly 20% of the unvaccinated had serologic evidence of influenza infection, but up to three quarters of the infected were asymptomatic. The proportions did not vary significantly between seasonal and pandemic influenzas. The pandemic H1N1 strain was associated with less severe symptoms than the seasonal H3N2 strain.

Corona, Study, asymptomatic, Study
Three-quarters of people with flu have no symptoms

“‘77% of flu infections’ have no symptoms, say experts,” reports ITV News.

The study was part of Flu Watch – a larger, ongoing study to assess the impact of flu on public health in England – and analysed five groups of people over six periods of influenza transmission, between 2006 and 2011.

Corona, Study, NHS, asymptomatic
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