delta

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.

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Download TWiV 943 (26 MB .mp3, 42 min)
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In his weekly clinical update Dr. Griffin discusses increased acute respiratory illnesses among children and adolescents, estimates of monkeypox incubation period, generation time, and reproduction number, rapid increase in suspected SARS-CoV-2 reinfections, interim infection prevention and control recommendations for healthcare personnel during COVID-19, SARS-CoV-2 secondary attack rates in vaccinated and unvaccinated household contacts during replacement of delta with omicron variant, breakthrough infection by SARS-CoV-2 delta and omicron variants elicited immune response comparable to mRNA booster vaccination, interval between prior SARS-CoV-2 infection and booster vaccination impacts magnitude and quality of antibody and B cell responses, further humoral immunity evasion of emerging SARS-CoV-2 BA.4 and BA.5 subvariants, short-course early outpatient Remdesivir prevents severe disease due to COVID-19 in organ transplant recipients during the Omicron BA.2 wave, effectiveness of Molnupiravir in high risk patients, and primary care and a distinct symptom pattern for long COVID.

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Download TWiV 941 (30 MB .mp3, 50 min)
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In his weekly clinical update Dr. Griffin reviews the public health response to poliovirus in New York, impact of mandatory influenza vaccination, monkeypox in a young infant, health care worker exposure to monkeypox virus, monkeypox testing delays, transmission potential of monkeypox virus, TPOXX trial for monkeypox, detection of SARS-CoV-2 subgenomic mRNA, mucosal IgA against SARS-CoV-2, BNT262b2 against Omicron, awareness and use of SARS-CoV-2 antivirals, comparable outcomes for Bebtelovimab and Nirmatrelvir, and COVID-19 and Alzheimer’s disease.

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Download TWiV 938 (32 MB .mp3, 53 min)
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In his weekly clinical update Dr. Griffin discusses detection of a highly divergent type 3 vaccine-derived poliovirus in a child with a severe primary immunodeficiency disorder, severe respiratory illnesses associated with rhinoviruses and/or enteroviruses including EV-D68, effects of vaccination and previous infection on Omicron infections in children, COVID-19-associated hospitalizations among vaccinated and unvaccinated adults 18 years or older in 13 US states, effectiveness of COVID-19 vaccines over time prior to Omicron emergence in Ontario, Canada, nasal IgA wanes 9 months after hospitalization with COVID-19 and is not induced by subsequent vaccination,  resistance of SARS-CoV-2 Omicron subvariant BA.4.6 to antibody neutralization, persistent circulating SARS-CoV-2 spike associated with post-acute COVID-19 sequelae, and impact of COVID-19 vaccination on the risk of developing long-covid and on existing long-covid symptoms.

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Download TWiV 936 (31 MB .mp3, 52 min)
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Show notes at microbe.tv/twiv