Vaccine makers already testing their shots against omicron variant
Nov 29, 2021
So far, existing vaccines have proven effective against prior coronavirus variants, including the delta variant.
COVID-19 vaccine effectiveness changing with delta predominance
Sep 14, 2021
Vaccine protection against SARS-CoV-2 infection declined; protection remained higher against hospitalization, death.
mRNA vaccines effectively prevent SARS-CoV-2 in adults in real-world setting
Jul 01, 2021
For those with SARS-CoV-2 infection, vaccinated participants had a lower mean viral load, risk of febrile symptoms and illness duration.
Antibody levels after COVID-19 vaccination inversely linked to body weight
May 23, 2022
An inverse correlation was sustained for up to six months following two doses of BNT162b2 (Pfizer–BioNTech) in a small cohort of healthy young and middle-aged adults.
200 million Americans are now fully vaccinated as COVID-19 cases spike
Dec 09, 2021
White House officials noted that 12.5 million shots were given last week, the highest weekly total since May.
Vaccination offers partial protection for postacute phase of COVID-19
May 31, 2022
Individuals with breakthrough infection have an increased risk for death and postacute sequelae compared with contemporary controls.
Fourth mRNA COVID-19 vaccine immunogenic, safe
Mar 24, 2022
Vaccine efficacy 30% for BNT162b2(Pfizer) and 11 percent for mRNA-1273 (Moderna) against any SARS-CoV-2 infection.
Homologous, heterologous COVID-19 boosters are immunogenic
Feb 07, 2022
Antibody neutralizing titers against SARS-CoV-2 D614G pseudovirus increased by a factor of 4 to 73 for all combinations.
COVID-19 vaccines prevent hospitalizations in high-risk populations
Sep 16, 2021
Vaccine effectiveness was 81 to 95% for adults aged 85 years and older, those with chronic medical conditions, and Black or Hispanic adults.
COVID-19 vaccines not tied to immune-mediated neurological events
Mar 21, 2022
But increased risks for Bell palsy, encephalomyelitis and Guillain-Barré syndrome were observed following SARS-CoV-2 infection.