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Understanding Covid-19 Testing Numbers, Infections, and Hospitalizations

Courtesy: Chuck Smith / Red River Radio News

COVID-19 NUMBERS -   Everyday   news reports are loaded with the latest numbers regarding Covid-19 infections, hospitalizations, ,  presumed-recoveries and deaths.  These numbers can either be illuminating or confusing depending on how they’re presented and interpreted.  Social media is loaded with discussions and debates over which numbers are significant when considering the severity of outbreaks.    But some numbers are better indicators than others, three numbers in particular.

"The number of positivity bsed on the amount of testing that's done, those two variables, then the number of hospitalizations," explained Dr. G.E. Ghali, Chancellor for LSU-Health/Shreveport.

While conducting more testing will result in more cases, the percentages of Covid-19 infections can reveal if the virus is spreading or not.   The greater the percentage of positive cases  means infections are on the rise.

"We're up to around 8.2% We we were down to about 7% about a week or two ago," Ghali said. 

Credit Courtesy: Dr. G.E. Ghali
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Courtesy: Dr. G.E. Ghali
Dr. G.E. Ghali, Chancellor - LSU-Health/Shreveport

And more  hospitalizations  means more people are getting seriously ill.  Since March 1st, the overall cumulative COVID-19 hospitalization rate in the United States is 107.2 per 100,000, with the highest rates in people aged 65 years and older.  But hospitalizations are spiking in some states.     

"We are seeing an increase in hospitalizations all across Louisiana, all across the ArkLaTex," Ghali said.

Increase  in  hospitalizations  affect   the healthcare  resources  available  such as hospital beds, ventilators, and the doctors, nurses and therapists  needed.   It also means other medical care could be suspended. 

"We could end up cutting back on, rationing healthcare to the extent we can't do elective surgeries," Ghali explained. "Or surgeries that are not  emergencies but semi-urgent that are going to have to be put off because we have a lack of hospital beds or lack of operating rooms or lack of ventilators."

Credit Courtesy: LSU-Health/Shreveport
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Courtesy: LSU-Health/Shreveport
More Covid-19 testing will result in more positive cases but the positivity percentages based on overall testing number indicates if virus is spreading.

Worldwide the United States ranks high as far as the numbers of Covid-19 infections and deaths.  Some states are considered hotspots for the recent surges including California, Florida, Texas, Mississippi  and even Louisiana.  A couple weeks ago Louisiana was number 7 in per-capita infections based on population.  Today it’s number 3 and while the elderly or medically-fragile are considered most at risk,  Covid-19 can still affect younger people who are testing positive in record numbers.

"I can tell you of a fairly young man who was an Army Ranger who got Covid(19)," Ghali explained. "(He) had no underlying medical conditions, spent 42 days on a ventilator. Heart stopped two times during his course of admission. He ended up making it."

Louisiana  has  adequate hospital capacity for the time being,  parts of Texas and Mississippi have reached their limits. Health  officials  hope  people  are  paying attention and doing what they can to reduce the spread of Covid-19  through  social distancing,  frequent  hand washing  and wearing protective face masks.

Chuck Smith brings more than 30 years' broadcast and media experience to Red River Radio. He began his career as a radio news reporter and transitioned to television journalism and newsmagazine production. Chuck studied mass communications at Southern Arkansas University in Magnolia and motion picture / television production at the University of California at Los Angeles. He has also taught writing for television at York Technical College in Rock Hill, South Carolina and video / film production at Centenary College of Louisiana, Shreveport.