Objective To examine the relative effectiveness of a fourth dose of the Pfizer-BioNTech mRNA (BNT162b2) vaccine compared with three vaccine doses over the span of 10 weeks. Design Retrospective, test negative, case-control study, with a matched analysis and an unmatched multiple tests analysis. Setting Nationally centralised database of Maccabi Healthcare Services, an Israeli national health… Continue reading Short term, relative effectiveness of four doses versus three doses of BNT162b2 vaccine in people aged 60 years and older in Israel: retrospective, test negative, case-control study
Category: Infectivology
Is high COVID-19 vaccination reducing natural immunity
This is an analysis mainly focusing on countries those experienced unprecedented Deaths in therecent period and the period covered is till 21st March 2022. The peak of Deaths in later monthsreached an all-time high since the beginning of the pandemic. Nine countries identified in thatcategory are Singapore, South Korea, Australia, Hong Kong, Iceland, New Zealand,… Continue reading Is high COVID-19 vaccination reducing natural immunity
Systemic and mucosal IgA responses are variably induced in response to SARS-CoV-2 mRNA vaccination and are associated with protection against subsequent infection
Although SARS-CoV-2 infects the upper respiratory tract, we know little about the amount, type, and kinetics of antibodies (Ab) generated in the oral cavity in response to COVID-19 vaccination. We collected serum and saliva samples from participants receiving two doses of mRNA COVID-19 vaccines and measured the level of anti-SARS-CoV-2 Ab. We detected anti-Spike and… Continue reading Systemic and mucosal IgA responses are variably induced in response to SARS-CoV-2 mRNA vaccination and are associated with protection against subsequent infection
Blood Pressure Increase following COVID-19 Vaccination: A Systematic Overview and Meta-Analysis
AbstractCoronavirus disease 2019 (COVID-19) vaccines proved a strong clinical efficacy against symptomatic or moderate/severe COVID-19 and are considered the most promising approach for curbing the pandemic. However, some questions regarding the safety of COVID-19 vaccines have been recently raised. Among adverse events to vaccines and despite a lack of signal during phase III clinical trials,… Continue reading Blood Pressure Increase following COVID-19 Vaccination: A Systematic Overview and Meta-Analysis
Paracetamol in the home treatment of early COVID-19 symptoms: A possible foe rather than a friend for elderly patients?
To the Editor,On October 2020, Sestili and Fimognari reported that acetaminophen (N-aetyl-para-aminophenol), commonly known as paracetamol, induces or worsens glutathione (GSH) consumption in elderly patients affected by early or mild coronavirus disease 2019 (COVID-19), thus greatly enhancing the risk of COVID-19 exacerbation in these patients.1 By early COVID-19, we mean the typical or commonly acknowledged… Continue reading Paracetamol in the home treatment of early COVID-19 symptoms: A possible foe rather than a friend for elderly patients?
Alopecia areata following COVID-19 vaccination: vaccine-induced autoimmunity?
Dear Editor, We report a case of an 80-year-old man who came to our attention for a rapidly progressive loss of facial hair 7 days after the administration of the first dose of the BNT162b2 vaccine, an mRNA vaccine against SARS-CoV-2. He had no personal or family history of alopecia or autoimmunity. Before the vaccination, a… Continue reading Alopecia areata following COVID-19 vaccination: vaccine-induced autoimmunity?
Association of Diet and Antimicrobial Resistance in Healthy U.S. Adults
Antimicrobial resistance (AMR) represents a significant source of morbidity and mortality worldwide, with expectations that AMR-associated consequences will continue to worsen throughout the coming decades. Since resistance to antibiotics is encoded in the microbiome, interventions aimed at altering the taxonomic composition of the gut might allow us to prophylactically engineer microbiomes that harbor fewer antibiotic… Continue reading Association of Diet and Antimicrobial Resistance in Healthy U.S. Adults
COVID-19 Vaccine effectiveness against symptomatic infection and hospitalization in Belgium, July 2021-APRIL 2022
The COVID-19 vaccination campaign in Belgium aimed to reduce disease spread and severity. We quantified the observed vaccine effectiveness (VE) against symptomatic infection (VEi) and hospitalization (VEh). Exhaustive data on testing and vaccination was combined with a clinical hospital survey. We estimated VEi using a test negative design and VEh using a proportional hazard analysis.… Continue reading COVID-19 Vaccine effectiveness against symptomatic infection and hospitalization in Belgium, July 2021-APRIL 2022
COVID UPDATE: What is the truth?
The COVID-19 pandemic is one of the most manipulated infectious disease events in history, characterized by official lies in an unending stream led by government bureaucracies, medical associations, medical boards, the media, and international agencies.[ 3 , 6 , 57 ] We have witnessed a long list of unprecedented intrusions into medical practice, including attacks… Continue reading COVID UPDATE: What is the truth?
2 Medical News 