Protection and Waning of Natural and Hybrid Immunity to SARS-CoV-2

Close-Up Shot of a Covid Vaccine

Yair Goldberg et al. Infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) provides natural immunity against reinfection. Recent studies have shown waning of the immunity provided by the BNT162b2 vaccine. The time course of natural and hybrid immunity is unknown.

The Facts About Pfizer mRNA Vaccine Risks to Unborn Babies

woman in white long sleeve shirt

Linnea Wahl As we all know, there is much conflicting information on the internet about the safety of the Pfizer mRNA vaccine during pregnancy. Official health sources recommend the Pfizer vaccine as safe for pregnant women and their babies (for example, US Centers for Disease Control,  https://www.cdc.gov/coronavirus/2019-ncov/vaccines/recommendations/pregnancy.html). On the other hand, many sources suggest grave […]

Association of Cerebral Venous Thrombosis with mRNA COVID-19 Vaccines: A Disproportionality Analysis of the World Health Organization Pharmacovigilance Database

MRI Images of the Brain

Jin Park, Moo-Seok Park, Hyung Jun Kim, Tae-Jin Song Cerebral venous thrombosis (CVT), a rare thrombotic event that can cause serious neurologic deficits, has been reported after some ChAdOx1 nCoV-19 vaccinations against coronavirus disease 2019 (COVID-19). However, there are few reports of associations between COVID-19 mRNA vaccination and CVT. We retrospectively analyzed CVT occurrence, time […]