Cardiovascular Effects of the BNT162b2 mRNA COVID-19 Vaccine in Adolescents

This study focuses on cardiovascular effects, particularly myocarditis and pericarditis events, after BNT162b2 mRNA COVID-19 vaccine injection in Thai adolescents. This prospective cohort study enrolled students from two schools aged 13–18 years who received the second dose of the BNT162b2 mRNA COVID-19 vaccine. Data including demographics, symptoms, vital signs, ECG, echocardiography and cardiac enzymes were …

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Covid-19: Regulators warn that rare Guillain-Barré cases may link to J&J and AstraZeneca vaccines

Rapid Response:Autoimmune damage to the nerves following Covid vaccines: EMA issued warning to patients and healthcare professionalsDear EditorEMA recently investigated the cases of Guillain-Barre syndrome (GBS) following Covid vaccine AstraZeneca (AZ) and have issued a warning to raise awareness of healthcare professionals and the public about GBS cases following Covid vaccinations and recommended revising the …

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Are Lockdowns Effective in Managing Pandemics?

The present coronavirus crisis caused a major worldwide disruption which has not been experienced for decades. The lockdown-based crisis management was implemented by nearly all the countries, and studies confirming lockdown effectiveness can be found alongside the studies questioning it. In this work, we performed a narrative review of the works studying the above effectiveness, …

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Immune boosting by B.1.1.529 (Omicron) depends on previous SARS-CoV-2 exposure

Importance of infection historyA long-term study of healthcare workers in the United Kingdom has allowed their history of infection and vaccination to be traced precisely. Reynolds et al. found some unexpected immune-damping effects caused by infection with a heterologous variant to the latest wave of infection by the Omicron/Pango lineage B.1.1.529. The authors found that …

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