PLATCOV, a platform to assess the effectiveness of drugs against COVID-19, suggests that ivermectin has no significant antiviral activity against SARS-CoV-2.
Just one or two mutations with strong effects, or an accumulation of mutations with small effects, may help the Omicron variant of SARS-CoV-2 dodge the immune system or antibody-based therapies.
An analysis of cancer diagnosis and treatment highlights inconsistencies in the way lag times are calculated and suggests more standardised approaches are needed.
Infection with a common bacteria linked with periodontal disease, oral cancers, and bad breath may cause a small increase in the risk of cardiovascular disease.
A follow-up study of cancer patients after COVID-19 suggests that one in two experienced long COVID, but few required hospital admission and most could be managed as outpatients.