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COVID-19 patients transfused with convalescent plasma have shown a greater survival rate

Doctors at Mayo Clinic are learning COVID-19 patients that receive convalescent plasma transfusions have a greater survival rate.

Posted: Aug 17, 2020 8:13 PM

ROCHESTER, Minn. - Mayo Clinic doctors and other health officials conducted a three month long study, finding COVID-19 patients transfused with convalescent plasma, which contains high levels of antibodies, are showing a greater survival rate.

If you're not familiar with convalescent plasma, it's the liquid part of blood that's collected when patients recover from COVID-19. Researchers found if the people who tested positive, receive plasma within 3 days of diagnosis, their mortality rate is lower. One Mayo Clinic doctor, Michael Joyner, M.D. said they're looking at two signs of effectiveness. One is the time from diagnosis to receiving the plasma. The second is the antibody levels in the plasma. "By signals of efficacy, we mean this is not a randomized clinical trial," said Dr. Joyner. "We couldn't compare treatment A versus treatment B and say one was more efficacious than the other or convalescent plasma versus placebo."

It's important to mention that this type of plasma has high levels of antibodies to fight COVID-19. The higher amount of antibodies means there's a better chance for you to survive. Dr. Joyner explained what the next steps are in this study. "We need to continue to look at our database and continue to try and understand what properties in convalescent plasma are associated with improved outcomes," said Dr. Joyner. "The volume convalescent plasma requires, or does it make a difference? How much do we need to give?"

Dr. Joyner said moving forward, they're going to determine if people who have been exposed to COVID-19 and are given convalescent plasma can build immunity to the disease. Mayo Clinic wants to make it known that this study was not intended to be a clinical trial to determine the effectiveness of convalescent plasma, but rather to increase access to plasma with the intent of helping severely ill COVID-19 patients.

Minnesota Coronavirus Cases

Data is updated nightly.

Confirmed Cases: 145465

Reported Deaths: 2491
CountyConfirmedDeaths
Hennepin36126997
Ramsey14966377
Dakota10420139
Anoka9573156
Washington649074
Stearns647850
Scott366636
Olmsted344930
St. Louis333074
Wright282516
Clay259145
Nobles236818
Blue Earth21367
Carver19167
Sherburne189924
Kandiyohi18695
Rice174210
Mower155318
Winona136219
Crow Wing120822
Chisago11912
Benton109012
Lyon10446
Beltrami9839
Otter Tail9808
Waseca95010
Todd9337
Polk8845
Morrison8529
Steele8173
Itasca80617
Douglas8044
Nicollet78318
Freeborn7275
Goodhue68211
Le Sueur6716
Becker6654
Martin63718
McLeod6294
Isanti6196
Pine5960
Watonwan5854
Carlton5372
Chippewa4893
Mille Lacs47118
Hubbard4695
Cass4385
Wabasha4281
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Meeker3703
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Brown3653
Roseau3650
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Yellow Medicine3096
Murray3023
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Renville28613
Fillmore2840
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Faribault2580
Houston2492
Kanabec23610
Swift2322
Jackson2261
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Aitkin2142
Unassigned20354
Stevens2001
Lincoln1970
Koochiching1775
Pope1740
Big Stone1671
Marshall1611
Wilkin1484
Lac qui Parle1473
Clearwater1431
Norman1410
Lake1390
Mahnomen1342
Grant1094
Red Lake842
Traverse610
Kittson540
Lake of the Woods471
Cook200

Iowa Coronavirus Cases

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Confirmed Cases: 124963

Reported Deaths: 1700
CountyConfirmedDeaths
Polk20019290
Woodbury753099
Linn6256134
Black Hawk6154102
Johnson610731
Dubuque563959
Scott501843
Story416418
Dallas364047
Pottawattamie343145
Sioux259517
Buena Vista231812
Marshall217136
Webster200915
Plymouth176731
Wapello161062
Clinton159028
Muscatine156058
Cerro Gordo154527
Des Moines153911
Crawford140015
Warren13477
Jasper124034
Carroll123113
Henry11495
Marion109211
Lee103412
Tama102138
Delaware84314
Dickinson8159
Wright7781
Boone7659
Mahaska75125
Bremer7459
Jackson7193
Harrison71217
Washington71212
Benton6782
Lyon5868
Clay5684
Louisa54915
Jones5374
Winnebago52719
Clayton5263
Winneshiek5259
Cedar5217
Hardin5187
Buchanan5155
Kossuth5020
Hamilton4945
Poweshiek49411
Floyd47211
Emmet46221
Cass4563
Iowa45610
Mills4403
Cherokee4342
Page4270
Fayette4224
Guthrie42115
Allamakee4189
Sac4174
Butler4163
Shelby4112
Franklin40118
Humboldt3833
Chickasaw3821
Hancock3796
Madison3783
Clarke3633
Grundy3526
Calhoun3374
Palo Alto3352
Osceola3100
Mitchell3021
Howard2889
Monroe27512
Union2725
Jefferson2671
Taylor2632
Appanoose2583
Monona2562
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Ida2312
Fremont2172
Lucas2146
Adair2041
Greene1990
Montgomery1977
Davis1954
Van Buren1942
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Decatur1700
Wayne1553
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Unassigned90
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