Oct 17, 2020
Study Suggests People with Type-O Blood Have Less COVID-19 Infections
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Getty Coronavirus samples from the Centers of Disease Control and Prevention in Atlanta, Georgia.
Two studies on coronavirus patients published in the medical journal, Blood Advances, are suggesting that having type-O blood may lead to better outcomes. One study from Danish researchers looked at a potential connection between patients’ blood types and their risk of contracting COVID-19, while another study from Canadian researchers looked at patients’ blood types and their risk of disease severity.
For the Canadian study’s key points, researchers wrote, “COVID-19 patients with blood group A or AB are at increased risk for requiring mechanical ventilation (and) … appear to exhibit a greater disease severity than patients with blood group O or B.”One Study Indicated Having Type O Blood Could Mean a Lower Risk of Contracting Coronavirus
People with blood type O may be less vulnerable to Covid-19 and have a reduced likelihood of getting severely ill, according to two studies. Experts say more research is needed. https://t.co/xmkYiOaugH
— CNN (@CNN) October 15, 2020
According to one study published in Blood Advances, “Reduced prevalence of SARS-CoV-2 infection in ABO blood group O,” researchers found that when they compared the 473,654 people on the Danish health registry to 2,204,742 among the general population, there were fewer people with type-O blood who tested positive for coronavirus than those with the blood types A, B or AB.
Even when they studied the tests collected between February 27 and July 30 of 473,654 people from Denmark, researchers reported that 41% of those who tested negative were of the blood group O, 42% were of the blood group A, 11% were of the blood group B and 4% were of the blood group AB.
Even though those of the blood groups O and A had similar negative rates, those of the blood group O had lower positive rates (38% of the 7,422 who tested positive) compared to those of the blood group A (44% of the 7.422 who tested positive).
The Deccan Chronicle reported that researchers found similar rates of positive and negative coronavirus tests among the different blood types, even after controlling for ethnicity.A Second Study Suggests Infections May Be Lower Among COVID-19 Positive Patients With Type-O Blood
Interesting news, people with Type O blood may have a slightly lower risk of COVID infection. https://t.co/BVhxoTBSUL
— ????????????Cheryl????????????CANADA???????????? (@mini_bubbly) October 14, 2020
A second study published in Blood Advances, “The association of ABO blood group with indices of disease severity and multiorgan dysfunction in COVID-19,” found that people of the type O or B blood groups had indicators that were much lower for disease severity than those of the blood group A or AB. The patients were those who were checked into intensive care units (ICUs) in hospitals in Vancouver, Canada.
According to the study, of the 95 critically ill patients of the ABO blood groups admitted to ICUs from March 1, 2020 to April 28, 2020, more patients of the A or AB blood group required mechanical ventilation, even after adjusting for sex, age, comorbidity status and treating death as a competing risk.
The study also found that more patients of the A or AB blood group required the use of “continuous renal replacement therapy” or CRRT compared to those of the O or B blood group. CRRT is described in the medical journal, CHEST, as a therapy “commonly used to provide renal support for critically ill patients with acute kidney injury, particularly patients who are hemodynamically unstable.”
There were no differences in median ICU length of stay, ventilator-free days or proportion of fatality after adjustments were made for the previously mentioned parameters.
Dr. Mypinder Sekhon, one of the authors of the Canadian study told CNN that the findings would need to be repeated across multiple studies to confirm any link between blood type and disease severity, and added that they should also not be taken as a license to avoid taking the necessary precautions. “If one is blood group A, you don’t need to start panicking. And if you’re blood group O, you’re not free to go to the pubs and bars,” Sekhon said.
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Poland to open temporary hospitals, brings army to help coronavirus testing
WARSAW – Poland is opening a field hospital at Warsaw’s landmark national stadium and will bring in the army to handle drive-through coronavirus testing facilities amid a surge in new infections that threatens to overwhelm the healthcare system.
Officials said the Law and Justice (PiS) government was in talks with private medical facilities to provide beds and wards for coronavirus patients and planned to double the base salaries of state health workers.
Other major cities are also rushing to set up new hospitals, the health ministry said after new daily cases reached nearly 10,000 last week. On Monday, 7,482 cases were reported, following a weekend downtick in testing.
Health Minister Adam Niedzielski said that in coming days new infections could surge to 20,000 a day if social distancing and other restrictions were not widely complied with.
“Of course, we are also preparing … for the worst-case scenarios such as 15,000 or even 20,000 new infections (a day),” Niedzielski told a news conference.
The government has already urged citizens to stay at home, ordered gyms and pools to close, restaurants to reduce opening hours and universities and secondary schools to shift to remote classes.
Despite the new measures, Niedzielski said the government had not decided to introduce any additional restrictions on people visiting family and friends’ graves on Nov. 1, when millions of Poles remember their loved ones on All Saints’ Day.
The PiS government was initially successful in containing the first wave of the pandemic in the spring but has faced criticism from the opposition and doctors for failing to prepare the country for the second wave.
A poll by IBRIS for Wirtualna Polska news portal showed support for the conservative nationalist PiS has fallen by 5.5 percentage points to 36.1 percent while backing for the biggest, centrist opposition group rose by 6 percentage points to 28.2 percent.