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Pfizer and Moderna vaccines are both safe and have similar effectiveness at preventing COVID-19 illness. Clinical trial data when they were first released in December 2020 showed 95% efficacy for ...
"It's OK to mix and match Moderna and Pfizer," Dr. Ralph Gonzales, associate dean for clinical innovation and chief innovation officer for UC San Francisco, said at a campus town hall last week.
(Reuters) -Moderna and rival Pfizer on Wednesday said their updated COVID-19 vaccines generated strong responses in testing against the highly mutated BA.2.86 subvariant of the coronavirus that ...
[458] [463] On 1 April 2021, an update on a Pfizer/BioNTech South African vaccine trial stated that the vaccine was 100% effective so far (i.e., vaccinated participants saw no cases), with six of nine infections in the placebo control group being the Beta variant.
The Moderna news followed preliminary results from the Pfizer-BioNTech vaccine candidate, BNT162b2, with Moderna demonstrating similar efficacy, but requiring storage at the temperature of a standard medical refrigerator of 2–8 °C (36–46 °F) for up to thirty days or −20 °C (−4 °F) for up to four months, whereas the Pfizer-BioNTech ...
The Pfizer–BioNTech vaccine must be kept at extremely low temperatures to ensure effectiveness, roughly between −80 and −60 °C (−112 and −76 °F). The vaccine can be stored at 2 to 8 °C (36 to 46 °F) for thirty days before use [ 161 ] [ 162 ] and at 25 °C (77 °F) [ 27 ] [ 31 ] or 30 °C (86 °F) [ 163 ] [ 8 ] for up to two hours ...
In a study examining COVID-19 infections, hospitalizations, and deaths in Nebraska after vaccination with the 2023-2024 vaccines that targeted the XBB.1.5 variant, researchers found that vaccine ...
Peer-reviewed results show that the vaccine is 72.8% effective against symptomatic cases and 100% against severe cases (26 cases in vaccinated group vs. 95 cases in placebo group). [4] The other inactivated virus COVID-19 vaccine developed by Sinopharm is the BIBP vaccine (BBIBP-CorV) which is comparably more successful. 1 billion doses are ...