Laboratory testing has been a key tool in managing the SARS-CoV-2 global pandemic.
While rapid antigen and PCR testing has proven useful for diagnosing acute SARS-CoV-2 …

Inactivated vaccine is one of the platforms employed in COVID-19 vaccines. Inactivated
vaccines have been associated with concerns of antibody-dependent enhancement (ADE) …

Background A major challenge of the SARS-CoV-2 pandemic is to better define" protective
thresholds" to guide the global response. We aimed to characterize the longitudinal …

We quantitatively analyzed SARS-CoV-2 antibody levels in patients after two doses of the
ChAdOx1 nCoV-19 vaccine and the third BNT162b2 booster. We obtained 255 serum …

Background The development of specific immunoglobulins to COVID-19 after natural
infection or vaccination has been proposed. The efficacy and dynamics of this response are …

The global pandemic caused by the coronavirus (COVID-19) disease has collapsed the
worldwide economy. Elements such as non-obligatory vaccination, new strain variants and …

Background We sought to estimate SARS‐CoV‐2 antibody seroprevalence within
representative samples of the Kenyan population during the third year of the COVID‐19 …

We analyzed serially collected serum samples from healthy adults who underwent
BNT162b2 vaccination to elucidate the association between spike (S)-IgG antibody titers …

Coronavirus disease (COVID-19) caused by severe acute respiratory syndrome coronavirus
2 (SARS-CoV-2) poses serious global public health problems. Characterization of the …

The WHO has approved the use of several vaccines during the COVID-19 pandemic;
experience over the last 2 years has indicated that dose demand can only be covered using …