June 25, 2021 Epidemiology Latest CDC data indicates that COVID is rapidly becoming a disease of the unvaccinated. #VaccinesWork #GoScience
June 21, 2021 Health Policy I have recommended to my wife and two adult sons to opt for Moderna after receiving 1sr dose of Pfizer (unavailable this week). Mixing works and it is safe to do so. End result = protection #vaccineswork #protectyourfamilywithscience
June 20, 2021 Sunday House Call Shows Sunday House Call, #795, June 20, 2021: To-MAY-to and To-MAH-to, Pfizer and Moderna; Basically the same with the same end result: good for your health and efficacious. Mix away and lets get out of this damn pandemic already. #VaccinesWork
June 15, 2021 Health Statistics Observational studies show excellent efficacy of two-dose regimen of Pfizer or AZ against the Delta variant dramatically reducing the risk of hospitalization. #vaccineswork
June 14, 2021 Allergy/Immunology What should your #seconddose of #covidvaccine be if 1st was AZ? Factors include wait-time/availability, Delta variant prevalence, occupational risks, and study evidence. Answer seems to leaning to Pfizer or Moderna as 2nd dose of choice.
June 11, 2021 Cardiology CDC and other regulators working to assess risk and if there is a causal relationship between mRNA vaccines and myo/pericarditis seen predominately in a small number of males 16-24 years old after 2nd dose.
June 4, 2021 Allergy/Immunology Pfizer vaccine recipients have lower neutralizing antibodies targeting delta variant up to three months after first dose. Outcome data needed to determine if this translates into less efficacy. Study concludes second dose interval needs to be shortened.
June 2, 2021 Health Policy NACI recommends second dose Pfizer/moderna vaccine for those who had AZ as their first dose.
May 19, 2021 Clinical Research For those who have had AstraZeneca as their first dose, small Spanish study shows that using Pfizer as the second dose is safe and effective. More evaluation and other trials are ongoing but still, good news.
May 13, 2021 Clinical Research Short-lived common side effects including fever, chills, pain, and headache after mixing AZ with Pfizer vaccine reported in @TheLancet. Immunogenicity results to be reported in June and if mixing is a viable option (likely but assumption needs evidence).