Jamestown Canyon Virus

Vector-borne illnesses have doubled over the past two decades, as the number of pathogens grows and affected areas expand.

Powassan virus infections are still rare, but are increasing.

States are keeping residents posted on warm-weather infectious disease threats, some water-borne and others spread by mosquitos.

Canada's border closures may have stemmed COVID-19 variant imports

Dynamic restrictions on nonessential foreign travel into Canada helped slow COVID-19 variant introductions in early 2020 and 2021, allowing the government more time to scale up vaccination, testing, and contact tracing programs, according to a study published yesterday in eLife.

Anorexia cases, hospitalizations rose in Canadian youth during COVID-19

A study of 1,883 Canadian children and teens with newly diagnosed or atypical anorexia nervosa shows that rates of the disease rose 66%, and hospitalizations climbed 267%, per month during the first 9 months of the COVID-19 pandemic.

Half of rheumatology patients report persistent symptoms after COVID-19

Over half of adults diagnosed as having a rheumatologic disease reported persistent COVID-19 symptoms at least a month after recovery from their infection, according to survey results presented late last week at the virtual American College of Rheumatology annual meeting.

Moderna COVID-19 vaccine found to be non-inferior in adolescents

Moderna's COVID-19 vaccine was safe in adolescents 12 to 17 years old, with a similar immune response to that in young adults, according to results of an ongoing phase 2-3 trial published in the New England Journal of Medicine yesterday.

Chinese study finds lower prevalence of MCR-1 in healthy residents

The prevalence of the colistin-resistance gene MCR-1 in healthy residents of a Chinese city declined following China's ban on colistin as a growth promoter in livestock in 2017, researchers reported today in Clinical Microbiology and Infection. But seafood may be an emerging risk factor for MCR-1 colonization.

Lung capacity issues, severe health problems in COVID-19 survivors

A Dutch study late last week found reduced lung capacity in 42% of COVID-19 patients 3 months after recovery, with many patients reporting severe problems with fatigue, functional impairment, and quality of life (QoL).

Ebola sickens 2 more in DRC's latest outbreak, 79 total, with 33 deaths

Two more Ebola cases were confirmed in the Democratic Republic of Congo (DRC) outbreak in Equateur province, bringing the total to 79, the World Health Organization (WHO) African regional office said today in a Twitter update.

No new deaths were reported, keeping the fatality count at 33.