By vgreene, 19 January, 2021 Although the 1st vaccine dose may offer some immunity full protection against COVID 19 is expected 1 to 2 weeks after the 2nd dose For example a study found 52 protection at 10 days after the 1st dose of the Pfizer BioNTech vaccine1
By vgreene, 19 January, 2021 Can I still get COVID 19 after being vaccinated How long will the protection last
By vgreene, 19 January, 2021 CDC will continue to monitor the effectiveness of the vaccines in individuals 65 due to known age related immune system changes that result in older individuals not responding as well to vaccination as younger people1
By vgreene, 19 January, 2021 Severe adverse reactions were generally less frequent in older persons 55 yo for the Pfizer BioNTech vaccine 65 for the Moderna vaccine compared w younger persons1 3
By vgreene, 19 January, 2021 Yes similar efficacies have been observed among older participants in clinical trials1 3
By vgreene, 19 January, 2021 Pfizer BioNTech vaccine had a 95 efficacy in clinical trials while the Moderna vaccine had a 94 5 efficacy for prevention on symptomatic COVID 19 Note The trials didn t evaluate for asymptomatic cases3
By vgreene, 19 January, 2021 The currently authorized mRNA vaccines have comparable efficacy similar safety profiles1 3
By vgreene, 19 January, 2021 Vaccine effectiveness duration of protection comparison of products virus variants
