ChAdOx1 nCoV-19: (COV001COV002)

Amy Flaxman1, Natalie G Marchevsky2, Daniel Jenkin1

  • 1Jenner Institute, Nuffield Department of Medicine, University of Oxford, Oxford, UK.

Lancet (London, England)
|September 4, 2021
PubMed
概括

延长COVID-19疫苗 (ChAdOx1 nCoV-19) 剂量之间的间隔可以提高抗体反应. 第三剂疫苗进一步增强了抗体和T细胞免疫力,显示出更好的保护.

相关概念视频

Allergic Drug Reactions01:27

Allergic Drug Reactions

Allergic reactions related to drugs are hypersensitivity responses driven by the immune system and bear no connection to the drug's therapeutic action. While drugs in isolation do not trigger an immune response, they can interact with endogenous proteins to form antigens. These antigens stimulate lymphocytes to produce antibodies. IgE-type antibodies attach themselves to mast cells. Upon subsequent exposure to the same stimulus, the antigen-antibody interaction is initiated, unleashing...
1.1K
Bioavailability Study Design: Single Versus Multiple Dose Studies01:11

Bioavailability Study Design: Single Versus Multiple Dose Studies

Bioavailability studies are essential for understanding how a drug is absorbed, distributed, metabolized, and excreted in the body. These studies assess the extent and rate at which the active pharmaceutical agent becomes available at the site of action. The design of bioavailability studies can involve single-dose or multiple-dose regimens, each with distinct advantages and limitations.Single-dose studies are the preferred approach due to their simplicity and reduced drug exposure for...
33
Cross-reactivity00:42

Cross-reactivity

Overview
31.8K
Vaccinations01:51

Vaccinations

Overview
46.7K
Allergic Reactions02:06

Allergic Reactions

Overview
29.3K
Pharmacovigilance01:19

Pharmacovigilance

Post-marketing surveillance is a critical component of pharmaceutical regulation, often uncovering unanticipated adverse drug reactions (ADRs) once a drug is widely used over an extended period.
This process, termed pharmacovigilance, aims to detect, evaluate, and minimize harmful effects related to medication use. The data collection for pharmacovigilance depends on spontaneous reporting systems, where healthcare professionals or patients voluntarily report suspected ADRs.
In some cases, there...
1.2K