Path ahead for pandemic could be shaped by masks while the US death toll inches closer to 100,000

CNN's Randi Kaye reports on rising concerns over potential coronavirus 'super spreader' events and the implications these have on infection transmission.

Posted: May 27, 2020 7:50 AM
Updated: May 27, 2020 7:50 AM

Americans are at odds over whether it's necessary to keep taking coronavirus protective measures, but a leading researcher says the data is clear: The path ahead in the Covid-19 pandemic is being shaped by masks.

"We now have really clear evidence that wearing masks works -- it's probably a 50% protection against transmission," Dr. Chris Murray, director of the Institute for Health Metrics and Evaluation, or IHME, at the University of Washington, told CNN late Tuesday.

"And so, what happens in the next month or two is very much in the hands of how people respond."

But as health experts stress the importance of wearing masks, the matter has gotten political. President Donald Trump has foregone face coverings in public while his presumptive rival Joe Biden has worn one, staking their ground in the partisan debate over whether masks are a paranoid restriction or a necessary precaution.

At least 1,681,418 people in the US have been infected with the virus through Wednesday and 98,929 people have died, according to Johns Hopkins University.

The number of US deaths forecast by August has shifted to 132,000 -- 11,000 fewer than projected a week ago -- according to the IHME's model, one of more than a dozen highlighted by the US Centers for Disease Control and Prevention.

Behavioral changes like wearing masks could be responsible for the reduction, Murray said.

Many officials have urged their residents to wear masks. Former acting CDC director Dr. Richard Besser called it "an American thing to do," and Ohio Gov. Mike DeWine said wearing a mask isn't political, it's "about loving your fellow human being."

Still, warmer weather and a holiday weekend drew large crowds from their homes and into public spaces recently, with many faces uncovered.

The decision to wear a mask or avoid one will determine what happens next in the pandemic, Murray said.

Tests could be wrong and danger could be higher

Many reopenings also are contingent on testing and data showing that the transmission of the virus is low. But the accuracy of some tests has been called into question.

Antibody tests used to determine if people have been infected in the past with Covid-19 might be wrong up to half the time, the US Centers for Disease Control and Prevention said in new guidance posted on its website.

Health care providers might need to test people twice, the CDC said. The tests that look for evidence of an immune response to infection are not accurate enough to make policy decisions.

There are also implications for individual decision making. Although there is little evidence yet to show that having recovered from the virus provides immunity from contracting Covid-19 again, health experts worry that a test that falsely shows the presence of antibodies would influence people to behave as if they had the infection and are now protected.

And the numbers may even be confounded by tests for current illness.

Doctors are increasingly reporting that they cannot find evidence of the virus until they perform tests deep in the respiratory system. Many children have come into hospitals severely ill but do not test positive until after repeated tests.

It is not only a problem for treating patients -- it calls into question whether low reports in cases really means it is time to reopen workplaces and public spaces.

How the infection numbers are trending

Infection rates vary from state to state.

Illinois appears to be entering a "downward trend," with the week ending May 16 being the first with a lower number of coronavirus deaths than the week before, Illinois Public Health Director Dr. Ngozi Ezike announced at a news conference Tuesday.

But the possible trend is still at its early stages, Ezike said, and the public has a responsibility to continue to decrease transmission.

New York, the hardest hit state for the virus, reported Monday that 73 residents died in a single day, the lowest daily death toll since the start of the pandemic in the US, Gov. Andrew Cuomo said Tuesday.

But other regions do not have the same good news. There were 17 states as of Tuesday in which the number of cases was still trending upward.

Mississippi Gov. Tate Reeves warned residents to stay vigilant in a news conference Tuesday because the state is still seeing a steady number of cases.

Meanwhile, Michigan Gov. Gretchen Whitmer said, despite pressure from the public and a decline in cases, the state is also not letting its guard down.

"Now, I'm not going to be bullied into ignoring the science and making political calculations," Whitmer said. "Let's not, us here in Michigan, have made this sacrifice in vain, and see our numbers start to rise again. ... That means masks and distancing, and hand washing."

Elsewhere, Washington DC, is on track to report 14 days of coronavirus decline Wednesday, a benchmark that has been cited for a safe reopening.

Steady numbers spark reopenings

Every state has begun to reopen, lifting restrictions on businesses and public spaces often in phases specific to the needs of the area.

"We are walking into the unknown," California Gov. Gavin Newsom said. The state was one of the first to impose restrictions and has been on the back end of lifting them.

More than 80% of counties in the state are allowed to begin the third of a four-phase reopening plan. This stage includes allowing hair salons and barbershops to reopen along with retail shops.

The state has reported 99,810 cases and 3,826 deaths, but hospitalizations have been declining slightly over the past two weeks, and the number of those in ICU beds remains stable, the governor said.

The state's final phase of reopening includes resumption of concerts and spectator events, but Newsom says, "we are not there yet."

Such large gatherings could soon resume in Florida, where Walt Disney World and Sea World on Wednesday will present reopening plans to the Orange County Economic Recovery Task Force, according to a county news release.

Indiana Coronavirus Cases

Data is updated nightly.

Confirmed Cases: 51079

Reported Deaths: 2756
CountyConfirmedDeaths
Marion12019693
Lake5588248
Elkhart353959
Allen2939134
St. Joseph210669
Hamilton1691101
Cass16449
Hendricks1454100
Johnson1340118
Porter82638
Tippecanoe7709
Vanderburgh7276
Clark69544
Madison67464
LaPorte61628
Howard59858
Bartholomew59745
Kosciusko5754
Marshall5449
Noble51328
LaGrange4849
Boone48244
Jackson4783
Delaware47152
Hancock46736
Shelby45425
Floyd40644
Morgan34231
Monroe34028
Grant31826
Dubois3046
Henry30018
Montgomery29720
Clinton2903
White27410
Dearborn25823
Decatur25632
Lawrence25225
Vigo2528
Warrick25029
Harrison21722
Greene19432
Miami1932
Jennings17912
Putnam1738
DeKalb1694
Scott1649
Wayne1546
Daviess15017
Perry14710
Orange13723
Steuben1362
Jasper1352
Ripley1307
Franklin1278
Gibson1202
Wabash1162
Carroll1142
Fayette1067
Whitley1066
Starke1043
Newton10010
Huntington942
Jefferson862
Wells821
Randolph794
Fulton731
Knox710
Jay700
Washington681
Pulaski661
Clay645
Rush613
Posey570
Spencer541
Owen521
Benton510
Sullivan501
Adams491
Brown431
Blackford402
Fountain352
Crawford330
Switzerland320
Tipton321
Parke270
Martin260
Ohio230
Vermillion200
Warren151
Union140
Pike110
Unassigned0193

Ohio Coronavirus Cases

Data is updated nightly.

Confirmed Cases: 64214

Reported Deaths: 3036
CountyConfirmedDeaths
Franklin11724445
Cuyahoga8979393
Hamilton6781207
Lucas2952305
Marion274539
Montgomery244035
Summit2327209
Pickaway222241
Mahoning1928239
Butler182147
Columbiana137860
Stark1214114
Lorain112069
Trumbull104578
Warren97725
Clark80010
Delaware69815
Fairfield66717
Tuscarawas60410
Lake58923
Medina58232
Belmont56922
Licking56812
Miami50631
Portage49259
Wood48851
Clermont4737
Ashtabula44744
Geauga42543
Wayne37253
Richland3715
Allen35641
Greene3439
Mercer29910
Erie27122
Holmes2595
Darke25626
Huron2402
Madison2169
Ottawa17324
Sandusky16015
Washington14620
Ross1443
Coshocton1423
Athens1391
Crawford1385
Putnam13715
Hardin12312
Morrow1201
Auglaize1094
Jefferson1092
Muskingum1001
Union931
Preble901
Monroe8917
Hancock861
Lawrence830
Guernsey823
Clinton811
Hocking809
Williams762
Shelby744
Logan711
Ashland672
Carroll673
Fulton670
Scioto670
Wyandot635
Brown611
Fayette550
Defiance533
Knox531
Champaign511
Highland501
Van Wert471
Perry441
Seneca412
Henry330
Paulding300
Jackson280
Pike280
Adams261
Vinton232
Gallia201
Noble140
Harrison131
Meigs130
Morgan110
Unassigned00
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