Extended intervals between the first and second doses of mRNA Covid-19 vaccines may reduce the risk of myocarditis in children and adolescents. Howeve...Read more

Background Association between messenger RNA (mRNA) COVID-19 vaccines and myocarditis has aroused public concern over vaccine safety. Objectives Th...Read more

Severe COVID-19 has a poor prognosis, while the genetic mechanism underlying severe COVID-19 remains largely unknown. We aimed to identify genes that ...Read more

Several studies reported hematological abnormalities after vaccination against the coronavirus disease 2019 (COVID-19). We evaluated the association b...Read more

Background: Thyroid dysfunction has been observed among some patients with coronavirus disease (COVID-19). It is unclear whether severe acute respirat...Read more

Background: Multimorbidity is a prevalent risk factor for COVID-19–related complications and death. We sought to evaluate the association of homologou...Read more

Background: Evidence of socioeconomic inequality in COVID-19-related outcomes is emerging, with a higher risk of infection and mortality observed amon...Read more

This study aimed to evaluate the host genetic liability of coronavirus disease 2019 (covid-19) with platelet traits using the Mendelian randomization ...Read more

Background: This study aims to evaluate the association between thromboembolic events and hemorrhagic stroke following BNT162b2 and CoronaVac vaccinat...Read more

Evidence on the effectiveness of COVID-19 vaccines among people who recovered from a previous SARS-CoV-2 infection is warranted to inform vaccination ...Read more

Background: In view of accumulating case reports of thyroid dysfunction following COVID-19 vaccination, we evaluated the risks of incident thyroid dys...Read more

Use of high-dose glucocorticoids for COVID-19 (caused by SARS-CoV-2) is controversial because of safety concerns. We examined the long-term consequenc...Read more