🧵/🚨URGENT — Newer Study Shows Pfizer Covid Vaccine Removes Protection Gained From Natural Immunity
➡️2 dose vaccinated + previously infected, vaccine effectiveness against infection at 5 months was -4.2% [95% CI: -20.9-10.2]. pic.twitter.com/btZQMQphO5
— James Cintolo, RN FN CPT (@healthbyjames) January 22, 2023
2/A new observational study explained that Pfizer vaccine effectiveness against covid infection went negative within 5 month, removing any protection gained from natural immunity in 273k kids aged 5-11 who received at least 1 dose Nov 2021-Jun 2022.
— James Cintolo, RN FN CPT (@healthbyjames) January 22, 2023
3/Effectiveness of prior infection VS new infection at 5 months was 65.1% [95% CI: 63.6-66.5] for unvaccinated kids. However, in those 2 dose vaccinated + previously infected, vaccine effectiveness against infection at 5 months was -4.2% [95% CI: -20.9-10.2].
— James Cintolo, RN FN CPT (@healthbyjames) January 22, 2023
— James Cintolo, RN FN CPT (@healthbyjames) January 22, 2023
h/t Dan