3 citations,
February 2022 in “Journal of Infection” People with no symptoms or mild COVID-19 have lower antibody levels, increasing their risk of getting COVID-19 again.
12 citations,
December 2021 in “Frontiers in Medicine” Some patients on immunosuppressants had a weaker immune response to the Sinovac-CoronaVac COVID-19 vaccine.
21 citations,
January 2021 in “Journal of infection and chemotherapy” Men, diabetes, and high inflammation levels lead to higher COVID-19 antibodies.
October 2023 in “Microorganisms” Nirmatrelvir/Ritonavir treatment may lead to a weaker immune response to COVID-19, but doesn't affect the chance of rebound.
125 citations,
August 2020 in “Frontiers in Immunology” Men generally have more severe COVID-19 cases and higher death rates than women due to biological differences.