The 28th meeting of the Emergency Committee under the International Health Regulations on the international spread of poliovirus reviewed updated data on wild poliovirus (WPV1) and circulating vaccine-derived polioviruses (cVDPV) on May 4, 2021.
On May 21, 2021, this World Health Organization (WHO) Committee announced it unanimously agrees that the risk of international spread of poliovirus remains a Public Health Emergency of International Concern (PHEIC) and recommended the extension of Temporary Recommendations for an additional three months.
Polio Continues Spreading in Various Countries
Low Testosterone Indicates Higher COVID-19 Risk for Men
A single-center cohort study of patients with COVID-19 led by researchers from the Washington University School of Medicine found lower testosterone concentrations during hospitalization were associated with increased disease severity and inflammation in men.
Published in the JAMA Network Open on May 25, 2021, this study could not prove that low testosterone is a cause of severe COVID-19. But low levels could simply serve as a marker of some other causal factors.
One Dose of BNT162b2 Inadequate for Hemodialysis Patients
Single mRNA vaccine dose often fails to elicit a humoral response; 57 percent of dialysis patients have undetectable anti-RBD IgG at four weeks
FDA Approves Third COVID-19 Antibody Treatment for Emergency Use
Study found that patients who received sotrovimab showed an 85 percent reduction in their risk for hospitalization or death versus placebo
U.S. Intelligence Told to ‘Redouble’ Efforts to Determine Source of COVID-19
Move prompted by a new report questioning whether the new coronavirus originated in a lab in Wuhan, China
Possible Cause Found for Rare Blood Clots Tied to Some COVID-19 Vaccines
Scientists say substandard proteins, some of which appear to split apart inside the body, can provoke the rare clots
COVID-19 Vaccines May Give Protection for Years: Studies
Findings suggest that most people who have recovered from SARS-CoV-2 infection and were later vaccinated will not require booster shots