Being vaccinated with at least two doses of Pfizer vaccines dramatically reduces most of the long-term symptoms individuals reported months after contracting COVID-19, a...

A second dose of the COVID-19 vaccine should be offered to individuals infected with the virus shortly after receiving the first dose, according to...

Although clinical trial data are encouraging, real-world evidence with regard to the COVID-19 vaccine remains scarce. In particular, response to the vaccine among those...