本课完整版:https://ed.ted.com/lessons/what-makes-tb-the-world-s-most-infectious-killer-melvin-sanicas 2008年发现了两具9000年前的骸骨,感染骸骨的细菌我们再熟悉不过了。古希腊人将其称为“癆”,印卡人称之为“癆瘵”,如今我们叫它肺结核或TB。TB仍是世界上感染性最强
The hematogenous route It is either pleomorphic or spherical, SARS-CoV-2 has a bear's club–shaped glycoprotein projection known as spike (S) protein that is composed of 2 subunits (S1 and S2) and has a high affinity with angiotensin-converting enzyme-2 (ACE2) receptors of the host cells...
In 2025, we expect shifts and innovations bound to redefine the graphical landscape. So here's the deal: I've dug and found the topgraphic designtrends to keep your eyes on. Whether you're just starting in the design world or you've been in the game longer than I've been wearing sho...
Tuberculosis (TB and the causative agent – Mycobacterium tuberculosis) is now the world’s leading infectious disease k-1-ller. In 2018, an estimated 1.5 million people died, mostly in Russia, southern Africa, and the Indian subcontinent. It surpassed HIV/AIDS as the leading infectious disease...
Ampeater Music is a website devoted to bridging the gap between unsigned (or just plain underexposed) artists and music lovers everywhere. Every day we feature a different artist on what we call The Ampeater Review. Each fea
It is reasonable to hypothesize that all these events may initiate or worsen psychiatric and cognitive disorders. Damage to the brain triggers a specific type of reactive response mounted by neuroglia cells, in particular by astrocytes which are the homeostatic cell par excellence. Astrocytes undergo...
What makes TB the world's most infectious killer? 2,741,537 plays| Melvin Sanicas | TED-Ed • June 2019Takeaways Share Save LikeRead transcriptWant to use TED Talks in your organization? Start here Talk details Watch next 04:32 Jun 2019 How close are we to eradicating HIV? Philip ...
What makes TB the world's most infectious killer? 2,741,537 plays| Melvin Sanicas | TED-Ed • June 2019Takeaways Share Save LikeRead transcriptWant to use TED Talks in your organization? Start here Talk details Watch next 04:32 Jun 2019 How close are we to eradicating HIV? Philip ...
Infectivity is host-determined per the availability of viral receptors together with the host cell entry cofactors or coreceptors [3] (Fig.1). Here, we will discuss the mechanism(s) for SARS-CoV-2 entry to CNS (Fig.1–01) and neuronal target(s) for SARS-CoV-2 post entry (Fig.1–02...
What makes TB the world's most infectious killer? 2,741,537 plays| Melvin Sanicas | TED-Ed • June 2019Takeaways Share Save LikeRead transcriptWant to use TED Talks in your organization? Start here Talk details Watch next 04:32 Jun 2019 How close are we to eradicatin...