UPDATE: CDC Study Gives Conflicting Data on Virus Spread


Despite wearing face masks to all the public places they went to, there were still people who still tested positive for COVID-19.

Let me repeat that...the majority of people who are contracting the virus are wearing masks.

As we go through this pandemic, the World Health Organization has advised everyone to just stay at home unless it is essential and then to wear a mask.

With more than a million deaths and 37 million recorded cases worldwide, who knows when it will all be over.

“In the 14 days before illness onset, 71% of case-patients and 74% of control participants reported always using cloth face coverings or other mask types when in public,” the report stated.

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In addition, over 14 percent of the case-patients said they “often” wore a face covering and were still infected with the virus. The study also demonstrates that under 4 percent of the case-patients became sick with the virus even though they “never” wore a mask or face covering.

Despite over 70 percent of the case-patient participants’ efforts to follow CDC recommendations by committing to always wearing face coverings at “gatherings with ≤10 or >10 persons in a home; shopping; dining at a restaurant; going to an office setting, salon, gym, bar/coffee shop, or church/religious gathering; or using public transportation,” they still contracted the virus.

While the study notes that some of these people may have contracted the virus from the few moments that they removed their mask to eat or drink at “places that offer on-site eating or drinking,” the CDC concedes that there is no successful way to evaluate if that was the exact moment someone became exposed and contracted the virus.

The same report suggests the airflow in the area spreads the virus even if everyone wears face masks and honestly, with the recent statement from the CDC that masks don't work to protect you from the virus if you wear one, it really just brings so much into question.

Now, the CDC put out a new study that suggests there is asymptomatic spread.

“There was still some controversy over the value of community mitigation — face masks, social distancing, and hand hygiene — to limit spread,” Dr. Butler told Business Insider. “This study demonstrates that while symptom screening may have some value, mitigation, as well as strategically planned testing of persons in some setting, will be a significant benefit.”

Said the study: “The baseline assumptions for the model were that peak infectiousness occurred at the median of symptom onset and that 30% of individuals with infection never develop symptoms and are 75% as infectious as those who do develop symptoms. Combined, these baseline assumptions imply that persons with infection who never develop symptoms may account for approximately 24% of all transmission. In this base case, 59% of all transmission came from asymptomatic transmission, comprising 35% from presymptomatic individuals and 24% from individuals who never develop symptoms. Under a broad range of values for each of these assumptions, at least 50% of new SARS-CoV-2 infections was estimated to have originated from exposure to individuals with infection but without symptoms.”

The study concludes: “In this decision analytical model of multiple scenarios of proportions of asymptomatic individuals with COVID-19 and infectious periods, transmission from asymptomatic individuals was estimated to account for more than half of all transmissions. In addition to identification and isolation of persons with symptomatic COVID-19, effective control of spread will require reducing the risk of transmission from people with infection who do not have symptoms. These findings suggest that measures such as wearing masks, hand hygiene, social distancing, and strategic testing of people who are not ill will be foundational to slowing the spread of COVID-19 until safe and effective vaccines are available and widely used.”

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