Michael Letko joins TWiV to discuss his research on understanding cell receptors required for sarbecovirus entry, including an ACE2-dependent isolate from Russian bats that is resistant to vaccine-induced antibodies.
In his weekly clinical update Dr. Griffin discusses high demand for Amoxicillin causing shortages amid child RSV surge, epidemiologic and clinical features of children and adolescents aged <18 years with monkeypox, low risk of SARS-Cov-2 transmission by fomites, nucleocapsid antigenemia is a marker of acute SARS-CoV-2 infection, impact of community masking on COVID-19, protection against Omicron from vaccination and previous infection in a prison system, Nirmatrelvir and the risk of post-acute sequelae of COVID-19, Bebtelovimab for high-risk outpatients with early COVID-19 in a large US health system, imprinted SARS-CoV-2 humoral immunity induces convergent Omicron RBD evolution, can SARS-CoV-2 trigger new onset of autoimmune disease in adults? A case-based review, and retrospectively modeling the effects of increased global vaccine sharing on the COVID-19 pandemic.
Infectious Disease physician Jake Scott joins TWiV to provide a west coast clinical perspective on the evolution of the COVID-19 pandemic with respect to the impact of vaccines, antivirals, variants of concern and mortality.
In his weekly clinical update Dr. Griffin discusses Influenza incidence and vaccine effectiveness during the southern hemisphere influenza season in Chile, Nirsevimab for prevention of RSV infection in healthy late-preterm and term infants, severe Monkeypox in hospitalized patients, reinfections with different SARS-CoV-2 Omicron subvariants, impact of community masking on COVID-19 in Bangladesh, unadjuvanted intranasal spike vaccine elicits protective mucosal immunity against sarbecoviruses, antibody responses to Omicron BA.4/BA.5 bivalent mRNA vaccine booster shot, immunogenicity of bivalent mRNA vaccine boosters, long-term gastrointestinal sequelae following COVID-19, evaluation of an automated text message–based program to reduce use of acute health care resources after hospital discharge, and how in adults with COVID-19, melatonin was assessed for effects on inflammatory markers, clinical signs and symptoms, and mortality.
In his weekly clinical update Dr. Griffin discusses progress toward poliomyelitis eradication in Pakistan, polio by the numbers , influenza and COVID-19 vaccination coverage among health care personnel, phase 1/2a safety and immunogenicity of an adenovirus 26 vector RSV vaccine encoding prefusion F in adults 18–50 years and RSV seropositive children 12–24 months, receipt of first and second doses of JYNNEOS vaccine for prevention of Monkeypox, distinguishing SARS-CoV-2 persistence and reinfection, Novavax NVX-COV2373 triggers potent neutralization of Omicron sub-lineages, association between regular physical activity and the protective effect of vaccination against SARS-CoV-2 in a South African case, COVID-19 outcomes in solid organ transplant recipients who received Tixagevimab-cilgavimab Prophylaxis and/or Bebtelovimab treatment, Omicron sublineage BA.2.75.2 exhibits extensive escape from neutralizing antibodies, and Tocilizumab versus Baricitinib in hospitalized patients with severe COVID-19.
David Quammen returns to TWiV to discuss how he wrote his new book ‘Breathless’, a story about the science and the scientists behind the race to understand the pandemic coronavirus SARS-CoV-2.
In his weekly clinical update Dr. Griffin discusses the prediction of upcoming global infection burden of influenza seasons after relaxation of public health and social measures during the COVID-19 pandemic, severe COVID-19 outcomes after full vaccination of primary schedule and initial boosters, and how successful immunomodulators for treatment of COVID-19 have opened the pathway for comparative trials.
In his weekly clinical update Dr. Griffin discusses a healthcare-associated infection with Monkeypox virus, air and surface sampling for monkeypox virus in a UK hospital, misrepresentation and nonadherence regarding COVID19 public health measures, tolerability and immunogenicity of an intranasally-administered adenovirus-vectored COVID-19 vaccine, clinical, virologic, and immunologic evaluation of symptomatic rebound following Nirmatrelvir/Ritonavir treatment, early outpatient treatment with Eemdesivir in patients at high risk for severe COVID-19, Molnupiravir plus usual care versus usual care alone as early treatment for adults with COVID-19 at increased risk of adverse outcomes, and outcomes among confirmed cases and a matched comparison group in the long-COVID in Scotland.
In his weekly clinical update Dr. Griffin discusses high points of the multi-national monkeypox outbreaks, monkeypox virus genome mutations, possible occupational infection of healthcare workers with monkeypox virus, rates of monkeypox cases by vaccination status, protection of SARS-CoV-2 infection against reinfection, Paxlovid significantly reduces COVID-19 hospitalizations and deaths, and rebound in COVID19 with and without Paxlovid treatment.
Laurie Garrett discusses the role of wastewater testing in public health and her idea of a device that could be used by anyone to analyze water samples.
The Hosts of TWiV
Vincent Racaniello, Ph.D.
Dickson D.
Despommier, Ph.D.
Alan Dove, Ph.D.
Daniel Griffin, M.D.,
Ph.D., CTropMed CTH
Angela Mingarelli, DVM
Jolene Ramsey, Ph.D.