Medullary cavities
Bone marrow is the soft, spongy tissue that is located in the medullary cavities (centers) of certain large bones. Healthy bone marrow is an essential part of the body, as it contains stem cells that produce blood cells and the cells that make up the immune system.
Respiratory syncytial virus (RSV) is an important cause of disease in older adults.
Safety and immunogenicity of a stabilized RSV prefusion F subunit (RSVpreF) vaccine candidate with/without adjuvant in adults 65 - 85 years.
<h3>What are the results of Study of a Respiratory Syncytial Virus ?</h3>
All RSVpreF vaccine candidates elicited robust and persistent serum neutralizing responses when administered alone or with SIIV.
- There was no notable difference in neutralizing response between the formulations, including those containing CpG. In the Month 0,2 Cohort, there was no booster effect of dose 2.
- SIIV responses were similar or slightly lower with concomitant administration of RSVpreF. Most systemic and local reactions were mild and more frequent after RSVpreF than placebo.
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Answer:
b. Latent
Explanation:
About 1/3 of the worlds population have TB but do not show any signs or symptoms. This is because during Latency the bacilli is efficiently contained in the lungs by the immune cells such as neutrophils and macrophages.
