Diseases, Conditions, Syndromes

Study details N439K variant of SARS-CoV-2

An international team of researchers has characterized the effect and molecular mechanisms of an amino acid change in the SARS-CoV-2 Spike protein N439K. Viruses with this mutation are both common and rapidly spreading around ...

Immunology

Altered gut microbiome seen in patients with active lupus

(HealthDay)—The microbiome of patients with systemic lupus erythematosus (SLE), particularly those with increased disease activity, has reduced taxonomic complexity, according to a study published online Feb. 19 in the ...

Vaccination

Study links vaccine immune response to age

Older people appear to have fewer antibodies against the novel coronavirus, a new laboratory study from Oregon Health & Science University suggests.

Medical research

Sensor detects biomarker of early-stage multiple sclerosis

Researchers at the Federal University of São Carlos (UFSCar) in Sorocaba (state of São Paulo, Brazil) have developed a technique to diagnose early-stage multiple sclerosis, a disease of the central nervous system, and distinguish ...

Diseases, Conditions, Syndromes

Blood tests for active TB not accurate or cost-effective

Commercial blood serum antibody tests—widely used in India and other developing countries to diagnose active tuberculosis—are not accurate or cost-effective, according to an analysis by researchers at the Johns ...

Diseases, Conditions, Syndromes

Improving human immunity to malaria

The deadliest form of malaria is caused the protozoan Plasmodium falciparum. During its life-cycle in human blood, the parasite P. falciparum expresses unique proteins on the surface on infected blood cells.

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