COVID update: Significant improvement

By George Shaw

Summary

Results continue to show significant improvement in North Carolina with acceleration of the declines in new cases, deaths and hospitalizations.  Meanwhile the rate of vaccinations has slowed significantly. The forecast is that the number of new cases will be reduced to around 500 daily across North Carolina by mid-July.

Key COVID-19 Data

North Carolina’s ratings remain better than most of the states.   It remained the 14th lowest among the 50 states for the number of cases during the last week as well as the 13th lowest state in deaths per person.  It also kept its ranking as 26th in terms of the most number of tests.

Data for the last seven days improved in our state against all of the key metrics. New tests in North Carolina are down 13% vs. 9% the prior week.  The number of new cases is down 21% compared to 14% during the prior seven day period.  The percentage of positive tests decreased significantly from 4.1% to 3.7% in the last week.  Hospitalizations declined from 795 a week before to 690 today.

North Carolina’s County Alert System was last updated on May 13 measuring the two weeks up to May 8.  No counties are currently rated red, 19 orange and 56 yellow.  24 counties are coded light yellow.  Henderson County is listed as green.  This represents significant improvement from the scores from April 29 when there were 30 orange and 14 light yellow listings.

How is Wake County doing compared to the other 99 counties?   Our county’s ranking has improved slightly during the past two weeks.  It currently ranks 37th lowest in the number of new cases (vs. 24th in the prior period). It is also the 54th highest in percent of positive tests over a two-week period (vs. 55th during the prior two week period).  Wake’s share of North Carolina’s cases has slowly declined since May 10.

4.2 million Tar Heels have received their first dose while 3.7 million have their second shots as of April 19.  An additional 298,000 have a vaccine requiring a single shot. The number of new shots decreased from 152,000 to 120,000 doses administered during the last full week (May 17).  41% residents of Wake County have received partial doses and 37% have completed their requirements.  This compares to 40% with partial and 36% the prior week.

 

14 Day Moving Averages Data State
Criteria 5-May 12-May 19-May 26-May Trend Guideline
Testing 33855 30954 28069 25002 Down Significantly Level or down
New Cases 1731 1493 1234 973 Down Significantly Level or down
%  Positive Cases 5.11% 4.82% 4.39% 3.89% Down Significantly 5% or less
Hospitalizations 1079 1004 897 775 Down Significantly Level or down
Source: covid19.ncdhhs.gov/dashboard
Notes:
o It usually takes 3-4 days for complete data to be reported.
o Color Coding from NC County Alert System
Risk of Community Spread Color Cases % Positive
Critical Red > 200 >10%
Substantial Orange 100 to 200 8-10%
Significant Yellow 20 to 100 5-7.9%
Moderate Lt Yel 10 to 20 3-4.9%
Low Green <10 <3%
  Note: cases are per 100,000 population

 

New cases in Wake County declined 2% last week compared to a 37% increase for the prior seven-day period.  This is the lowest weekly total since at least October 2020.  The number of new cases in Zip Codes 27587 declined nearly 8% during the last week while those in 27571 decreased 10%  and 27596 declined 48%.  The figure for the last seven days is the lowest in Zip 27587 since the week of October 21, 2020.

There was one reported death from the virus in Wake County during the last week.   Over the course of the pandemic, Zip Code 27571 has had proportionately more cases than North Carolina as a whole. However, deaths across our three areas remain proportionately lower than either Wake County or North Carolina.

 

 

 

North Wake Zip Zip Zip
Data as of 5/26/2021 Carolina County 27587 27571 27596
Total Cases 999567 88575 6728 768 1800
Total Deaths 13031 724 49 1 6
Percent Deaths 1.3% 0.8% 0.7% 0.1% 0.3%
Cases (last 7 days) 6020 610 48 9 13
 Increase over prior 7 days -1.6% 8.0% -7.7% -10.0% -48.0%
Deaths (last 7 days) 93 1 0 0 0
Cases/100 Population 9.53 8.09 9.04 10.39 9.65

 

 

 
   

 

Federal Guidelines

The federal Coronavirus Task Force has developed stoplight charts for the states on three metrics.  This is one of the indicators to help understand better when our state will continue to reopen.  Areas exceeding the federal guidelines are shown red.  Similar to indicators previously discussed, the numbers for new cases are moving in the wrong direction for North Carolina but improving for Wake County as well as our zip code.

 

Federal Guidelines (data for last seven days)
North Carolina 21-Apr 28-Apr 5-May 12-May vs. Guideline Guideline
New Cases 13007 11232 9675 7595 72% 10500
Positive Test Rate 5.3% 4.9% 4.7% 5.1%
Deaths 0 0 0 0 0% 210
Wake County
New Cases 1253 855 893 565 52% 1085
Deaths 7 2 -1 2 9% 21.7
Zip 27587
New Cases 82 70 68 52 68% 77
Deaths 0 0 0 1 65% 1.54

Outlook for the Future

The May 21 update to the IHME Model from the University of Washington is less positive about the number of new cases and deaths than the last one from April 27. The level for our state to be below the “red zone” for federal guidelines is about 10,500 new cases per week (1500 cases per day).

Our state is forecast to fall below the red zone on June 13 as compared to June 7 predicted the prior week.  This model predicts this figure to drop to around 3500 a week by July 16 compared to July 14 in the prior forecast.  IHME forecasts that North Carolina will have less than 10 deaths per day by July 3 vs. June 28 in the prior report.

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