Assessing vaccine effectiveness against severe COVID-19 disease caused by omicron variant. Report from a meeting of the World Health Organization

Waning 2-Dose and 3-Dose Effectiveness of mRNA Vaccines Against COVID-19–Associated Emergency Department and Urgent Care Encounters and Hospitalizations Among Adults During Periods of Delta and Omicron Variant Predominance — VISION Network, 10 States, August 2021–January 2022

(2022) Jill M. Ferdinands et al.   MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT

Effectiveness of a Third Dose of mRNA Vaccines Against COVID-19–Associated Emergency Department and Urgent Care Encounters and Hospitalizations Among Adults During Periods of Delta and Omicron Variant Predominance — VISION Network, 10 States, August 2021–January 2022

(2022) Mark G. Thompson et al.   MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT

Clinical Characteristics and Outcomes Among Adults Hospitalized with Laboratory-Confirmed SARS-CoV-2 Infection During Periods of B.1.617.2 (Delta) and B.1.1.529 (Omicron) Variant Predominance — One Hospital, California, July 15–September 23, 2021, and December 21, 2021–January 27, 2022

(2022) Matthew E Modes et al.   MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT

Duration of effectiveness of vaccines against SARS-CoV-2 infection and COVID-19 disease: results of a systematic review and meta-regression

(2022) Daniel R Feikin et al.   LANCET

T cell responses to SARS-CoV-2 spike cross-recognize Omicron

(2022) Roanne Keeton et al.   NATURE

BNT162b2 Protection against the Omicron Variant in Children and Adolescents

(2022) Ashley M. Price et al.   NEW ENGLAND JOURNAL OF MEDICINE

Change in profile of COVID-19 deaths in Western Cape Province, South Africa, during the fourth wave

(2022) M Paleker et al.   SAMJ SOUTH AFRICAN MEDICAL JOURNAL

Effectiveness of Homologous and Heterologous COVID-19 Booster Doses Following 1 Ad.26.COV2.S (Janssen [Johnson & Johnson]) Vaccine Dose Against COVID-19–Associated Emergency Department and Urgent Care Encounters and Hospitalizations Among Adults — VISION Network, 10 States, December 2021–March 2022

(2022) Karthik Natarajan et al.   MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT

Effectiveness of mRNA Vaccination in Preventing COVID-19–Associated Invasive Mechanical Ventilation and Death — United States, March 2021–January 2022

(2022) Mark W. Tenforde et al.   MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT

Effectiveness of BNT162b2 Vaccine against Omicron Variant in South Africa

(2021) Shirley Collie et al.   NEW ENGLAND JOURNAL OF MEDICINE

Immune-mediated attenuation of influenza illness after infection: opportunities and challenges

(2021) Manish M Patel et al.   Lancet Microbe

Acute Myocardial Infarction after Laboratory-Confirmed Influenza Infection

(2018) Jeffrey C. Kwong et al.   NEW ENGLAND JOURNAL OF MEDICINE