Researchers conducted a study to determine the risk for SARS-CoV-2 infection at 30-day intervals following vaccination among adults who received 2 doses of the Pfizer-BioNtech mRNA COVID-19 vaccine.
Although case reports show some deleterious changes, a causal relationship is not yet established.
Solid organ transplant recipients (SOTRs) who have received two doses of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccine have lower COVID-19 mortality rates than those who remain unvaccinated, but their risk for breakthrough infections is higher compared with the general population.
COVID-19 vaccines are well tolerated among individuals who are pregnant, lactating, or planning pregnancy.
The primary objective of the VACOLUP study was to assess the tolerance of COVID-19 vaccines, including risk for incident flares, in patients with systemic lupus erythematosus.
A third dose of the Pfizer COVID-19 vaccine gives four times greater protection against COVID-19 infection and is five to six times more effective in preventing serious illness and hospitalization in seniors than just two doses are, new data from the Israeli health ministry shows.
Following on full US regulatory approval of the Pfizer COVID-19 vaccine, the Pentagon announced on Monday that all military personnel — including 1.3 million active-duty troops — must get their shots.
Investigators compared adverse effects of the Pfizer-BioNTech and Oxford-AstraZeneca vaccines reported in the COVID Symptom Study App with those reported during phase 3 trials.
Adjusted effectiveness 53.1 percent against infection in nursing home residents during period when delta strain was predominant
Vast majority show seropositivity four months after the second COVID-19 vaccine dose
