Analysis

Cancer diagnoses fell early in COVID pandemic, but many types eventually climbed again Roberto Jimenez / iStock CIDRAP

A pair of new studies documents initial drops—and, in some cases, rebounds—in cancer diagnoses in Canada and the United States in the first year of the COVID-19 pandemic.

...

Study links blood clots to brain fog after Covid

A recent UK study suggests that blood clots in the brain or lungs may explain some of the common symptoms experienced by people with "long Covid", including brain fog and fatigue. The study, which included 1,837 people admitted to hospital due to Covid, found that two blood proteins, fibrinogen and D-dimer, were associated with cognitive problems. It is estimated that 16% of these patients experience difficulties with thinking, concentrating, or remembering for at least six months.

...

Explainer: Do I need to worry about COVID again? New data from scientists and vaccine makers Moderna and Pfizer /BioNTech suggests that a newer, highly mutated variant of the virus that causes COVID-19 is not as alarming as some experts had feared when it was first detected several weeks ago. Deena Beasley,Julie Steenhuysen Reuters

...

More COVID-19 studies suggest BA.2.86 may be less immune-evasive than feared iLexx / iStock CIDRAP

Two more lab groups—one from Sweden's Karolinska Institute and the other from Harvard University—have reported results of antibody neutralization lab experiments, which suggest vaccination or previous infection offer some protection against the highly mutated BA.2.86 SARS-CoV-2 variant.

...