COVID-19 may trigger hyperglycemia and worsen disease by harming fat cells

COVID-19 may bring high risks of severe disease and death in many patients by disrupting key metabolic signals and thereby triggering hyperglycemia, according to a new study from researchers at Weill Cornell Medicine and NewYork-Presbyterian.  In the study, reported Sept. 15 in Cell Metabolism, the researchers found that hyperglycemia—having high blood sugar levels—is common in hospitalized COVID-19 patients and is strongly associated with worse outcomes. The researchers also found evidence suggesting that SARS-CoV-2, the coronavirus that…

COVID-19 cases climbing, wiping out months of progress

COVID-19 deaths and cases in the U.S. have climbed back to levels not seen since last winter, wiping out months of progress and potentially bolstering President Joe Biden’s argument for his sweeping new vaccination requirements. The cases—driven by the delta variant combined with resistance among some Americans to getting the…

UK recommends COVID-19 booster shots for over 50s

The U.K. said Tuesday it will offer a third dose of COVID-19 vaccine to everyone over age 50 and other vulnerable people after an an expert panel said the boosters were needed to protect against waning immunity this winter. Health Secretary Sajid Javid told lawmakers that the government had accepted…

Antibodies Wane but Other Immune Defenses Remain Alert

(Reuters) – A new study may help explain why mRNA vaccines are more effective at preventing COVID-19 hospitalizations and deaths than they are at preventing infection with SARS-CoV-2. Experiments on blood samples from 61 fully vaccinated adults showed that by six months, neutralizing antibody levels had declined. But “your immune…

Illinois Issues Mask Mandate, Orders Vaccines for Schools

(Reuters) – Illinois will require all eligible students and school employees to be vaccinated and re-instituted an indoor mask mandate under an order announced by Governor J.B. Pritzker on Thursday. Pritzker, a Democrat, issued the new policy amid a resurgence of COVID-19 cases spurred largely by the Delta variant of…

Daily new COVID-19 cases in Israel approach January peak

New daily coronavirus infections in Israel are approaching record levels, despite the country’s largely successful vaccination campaign and the recent rollout of the world’s first widespread booster shot. The spread of the virus has been driven by a surge in the delta variant—even among the vaccinated—and sparked talk of crackdowns…