Another Bay Area County on the verge of falling back into the Purple Tier


Marin County is still one of three Bay Area counties in the Red Tier, but health officials say that could change with an increase in cases next week.

“At the current rate, we estimate that we will be joining the most restrictive purple color next week unless there is a significant change.” The county’s public health officer Drs. Matt Willis said in an update on YouTube on Tuesday. “What’s particularly concerning is that it comes just before Thanksgiving, one of our traditional gathering days. I’m more concerned than ever that Thanksgiving can soar itself.”

In Purple Tier, Marin County will be required to impose an overnight curfew and close several indoor businesses, including movie theaters, gyms and houses of worship. The county has already shut down indoor dining.

The county has gone from recording an average of 10 cases a day in October, to 20 a day in recent weeks.

Willis said about 1,300 Marin residents are being tested, “twice the state average.”

Marin County Health Director Drs. A graph by Matt Willis Nov. 17 shared, showing a change in the demographics of COVID-19 infection in the county.

Marin County

Marin has seen demographic and racial changes in COVID-19 infection this fall.


Willis shared a graph on 17 November, showing that the virus infects Hispanic / Latino populations unsafely in the first months of the epidemic and through September. In November, cases among whites have increased dramatically, compared to 33% of cases in the white population with 57% in week 3 of Latino, and 45% of infections among whites and 42% in weeks of Latin. 10.

“In the first months of the epidemic, it was a story of inconsistent impact in some communities characterized by race, ethnicity, economic opportunities, where they lived, parts of San Rafael Canal District, Novato. 80 of our cases -90% of people who did not have the option to safely separate based on the fact that they were essential workers, who rely on everyday work and then live in homes where transmission was more common , “Said Willis. “In the last month, most of the cases have been from our white residents. We are gathering more and more people indoors in those cases and avoiding those risks may be a more reasonable option as they are based on personal choices. . “

California's reopening plan is set by four color-coded levels.  Each county is assigned a tier based on its test positivity and adjusted case rate.

California’s reopening plan is set by four color-coded levels. Each county is assigned a tier based on its test positivity and adjusted case rate.

State of california

California cases have increased in recent weeks, and 45 of the 58 counties are now the most restrictive purple-tier marked by widespread transmission. The Bay Area has experienced less severe epidemics than other parts of the state and, along with Marin, San Francisco and San Mateo are still in the red. But SF health officials suspect that the city may turn purple in the coming days as well.

The director of SF Public Health, Drs. “We are fast approaching to file a case on the Purple Tier,” Grant Colefax said on Tuesday. “Tier reevaluations can occur any day of the week, and more than once a week when California’s Department of Public Health determines that urgent action is needed. We expect that sometime soon this week Time will move to a more restrictive purple color. “

The state’s system is divided into four levels – “violet” (broad), “red” (substantial), “orange” (medium) or “yellow” (minimum) – which measures the spread of COVID-19, and is called other Businesses and activities are permitted to open by type. The structure allows counties to be more restrictive and can move more slowly than the state in its reopening if they wish.

A county’s tier assignment is based on two key metrics: the case rate (the number of new cases per 100,000 inhabitants) and the positivity rate (the percentage of people who test positive for the virus of all individuals tested.) Equity is the metric. Also part of the equation, but only comes into play to help take it to a less restrictive level in a county.

Counties in the violet category are reporting seven new daily cases per 100,000 residents and positivity rates are over 8%. For a county to move to the Red Tier, it must report less than seven daily cases per 100,000 residents and less than 8% test positivity for 14 consecutive days. Orange tier requires a test positivity of less than 3.9 per 100,000 cases and under 4.9%, and yellow has less than one case per 100,000 and less than 2% positivity.

Last week, the state called for purple-tier counties to implement the curfew.

Non-work and ceremonies call for “be limited on home order” calls to stop from 10 am to 5 am

The curfew is intended to curb aggravated cases and prevent a situation where more extreme lockdown is necessary.

In the purple tier, the state allows hair salons and barbershops to be open indoors. Retail including shopping malls can be open at 25% capacity.

In the past, one county failed to meet the criteria for two consecutive weeks, but the counties announced by the state last week would return another restrictive reopening tier after one week, which did not conform to the standards. A lower level.

The state now requires counties that close essential business areas within 24 hours instead of three days.

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