Cancer diagnosis a year before infection not linked to worse outcomes; air travel carries COVID risks

Cancer diagnosis a year before infection not linked to worse outcomes; air travel carries COVID risks

The following is a synopsis of some recent COVID-19 research. They contain research that needs further investigation to confirm the findings and has not yet been peer-reviewed.

A previous cancer diagnosis has not been connected to a worse COVID-19 outcome.

According to a new study, patients who were diagnosed with cancer more than a year before getting COVID-19 and who were not receiving active treatment were no more sensitive to worse COVID outcomes than those who were not.

In a release, Youngran Kim of UT Health Houston said, “We discovered that recent cancer diagnoses were connected with a 17 percent greater risk of death and a 10% increased chance of hospitalization.” “However, having had cancer more than a year before being diagnosed with COVID-19 was not connected with a higher risk of death or hospitalization.”

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Kim’s team looked at 271,639 adults in the United States who were diagnosed with COVID-19 between June and December 2020, including more than 10,000 who had been diagnosed with cancer in the previous year and nearly 8,000 who had been diagnosed more than a year before.

Recent cancer diagnoses were linked to worse COVID-19 outcomes, according to a study published in PLOS One. This was especially true for persons with metastatic disease or tumors of the blood, liver, or lungs. Chemotherapy or radiation therapies within three months after SARS-CoV-2 infection were similarly connected to an increased risk of death.

Other differences were discovered among cancer patients who had recently been diagnosed. Those who were older, Black, on Medicare, and/or lived in the Southern United States were considerably more likely to die after being infected with SARS-CoV-2.

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Researchers have issued a warning about the potential of disease transmission during flight travel.

Researchers warned that passengers on planes and in airports are still in danger of contracting the coronavirus.

According to a report published in the Journal of Travel Medicine, two passengers on a 10-hour flight from Dubai to Australia in July 2020 infected 15 other people despite masking requirements for travelers, working air purifiers, and flight crew use of masks, eye goggles, gloves, and protective gowns.

The study indicated that sitting within two rows of a primary case raised the chance of infection by more than seven times, and spending more than an hour in the arrival airport increased it by over five times. Seven of those who received the virus were sat in the economy section within two rows of the “index cases,” but the rest were placed further away, including some in business class.

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All passengers entering Australia at the time were required to check into a hotel and produce blood samples for COVID-19 tests. According to the findings, virus particles from the two previously infected tourists and the 15 newly affected passengers had indistinguishable genetic sequences.

“Conscientious mask-wearing during flying reduced the risk of infection,” the researchers claimed, especially for passengers seated nearby. “As new transmissible SARS-CoV-2 variants develop… it’s critical to evaluate and reduce potential risk exposures associated with all stages of air travel.”


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