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Last Posted: Aug 01, 2021

• Assessing optimal time between doses in two-dose vaccination regimen in an ongoing epidemic of SARS-CoV-2
  LS Ferreira et al, MEDRXIV, July 31, 2021
• Clinical Determinants and Predictors for Prognosis of SARS-CoV-2 Infected Pediatric Patients in Saudi Arabia
  KM Adam et al, MEDRXIV, July 31, 2021
• Covid-19: Pfizer vaccine’s efficacy declined from 96% to 84% four months after second dose, company reports
  E Mahase, BMJ, July 30, 2021
• DERIVATION AND VALIDATION OF A CLINICAL SCORE TO PREDICT DEATH AMONG NON-PALLIATIVE COVID-19 PATIENTS PRESENTING TO EMERGENCY DEPARTMENTS: THE CCEDRRN COVID MORTALITY SCORE
  CM Hohl et al, MEDRXIV, July 31,2021
• Effects of SARS-CoV-2 P.1 introduction and the impact of COVID-19 vaccination on the epidemiological landscape of Sao Jose Do Rio Preto, Brazil
  CA Banho et al, MEDRXIV, July 31, 2021
• Emergence and spread of a B.1.1.28-derived lineage with Q675H and Q677H Spike mutations in Uruguay
  N Rego et al, MEDRXIV, July 31, 2021
• Estimates of Single Dose and Full Dose BNT162b2 Vaccine Effectiveness among USAF Academy cadets, 1 Mar - 1 May 2021
  DP Wickert et al, MEDRXIV July 31, 2021
• Hundreds of AI tools have been built to catch covid. None of them helped.
  WD Heaven, MIT Tech Rev, July 2021
• Impact of B.1.351 (beta) SARS-CoV-2 variant on BNT162b2 mRNA vaccine effectiveness in long-term care facilities of eastern France: a retrospective cohort study
  B Lefevre et al, MEDRXIV July 31, 2021
• Monitoring COVID-19 spread in Prague local neighborhoods based on the presence of SARS-CoV-2 RNA in wastewater collected throughout the sewer network
  K Zdenkova et al, MEDRXIV, July 31, 2021