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A New Victim

A seventh patient has died due to infection with an antibiotic-resistant strain of Klebsiella pneumoniae at the US National Institutes of Health's Clinical Center, reports the Washington Post. NIH researchers recently outlined in Science Translational Medicine their use of whole-genome sequencing to track the outbreak that began there in June of last year. The outbreak seemingly ended in January until this patient, a boy suffering from complications due to a bone marrow transplant, became ill in July. The Post says that the strain infecting the boy genetically matches the one circulating last year, despite the hospital's efforts to isolate and prevent the spread of the bacteria. "This kid probably got this infection because a patient who was a carrier [of the superbug] was on the same unit," says John Gallin, the director of the NIH hospital, to the Post. "There was undoubtedly some intrahospital transmission despite our best efforts."

The Scan

Pfizer-BioNTech Seek Full Vaccine Approval

According to the New York Times, Pfizer and BioNTech are seeking full US Food and Drug Administration approval for their SARS-CoV-2 vaccine.

Viral Integration Study Critiqued

Science writes that a paper reporting that SARS-CoV-2 can occasionally integrate into the host genome is drawing criticism.

Giraffe Species Debate

The Scientist reports that a new analysis aiming to end the discussion of how many giraffe species there are has only continued it.

Science Papers Examine Factors Shaping SARS-CoV-2 Spread, Give Insight Into Bacterial Evolution

In Science this week: genomic analysis points to role of human behavior in SARS-CoV-2 spread, and more.