For persons with a history of previous infection with SARS-CoV-2, the neutralizing antibody titer is higher after one dose of mRNA vaccine than after two vaccine doses among previously uninfected persons.
Vaccinated Americans will probably need booster shots to guard against emerging coronavirus variants in the future.
COVID-19 infections have occurred in about 5,800 people in the United States who have been vaccinated against the virus.
Investigators assessed how critically ill adult patients with COVID-19 and respiratory or cardiovascular organ support responded to tocilizumab or sarilumab treatments.
With many Americans awaiting to be vaccinated, while others indicating they are unlikely to get the jab, we spoke with 2 experts for their perspectives regarding this controversial topic.
Moderna has launched a study of its COVID-19 vaccine in children younger than 12 years, including babies as young as 6 months.
