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HIV: Clinical trial brings vaccine one step closer

In addition, access to prevention and treatment services is limited in some parts of the world. The World Health Organization (WHO) estimates that, as a result, there were 1.7 million new infections with HIV in 2019, and 690,000 people died from HIV-related causes. Despite decades of work, scientists have failed to develop an effective vaccine against the virus. The reason for this is that most of the surface of the virus is densely coated with sugar molecules that do not trigger an immune response, and the parts that are exposed are highly variable. As with SARS-CoV-2, which is the virus that causes COVID-19, HIV uses spike proteins on its outer surface to gain entry to its host cells.

COVID Vaccine Updates: Study finds aspirin may reduce risk of severe symptoms or death

COVID Vaccine Updates: Study finds aspirin may reduce risk of severe symptoms or death
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As pandemic surged, contact tracing struggled; Biden looks to boost it

As pandemic surged, contact tracing struggled; Biden looks to boost it Steven Findlay, Kaiser Health News Print Contact tracing, a critical part of efforts to slow the spread of the coronavirus, has fallen behind in recent months as COVID-19 cases have soared. President Joe Biden had pledged to change that. Biden proposes hiring 100,000 people nationwide as part of a new public health jobs corps. They would help with contact tracing and facilitate vaccination. Experts said it’s not clear that would be enough tracers to keep up with another surge in COVID cases, even if the vaccination rate increases at the same time.

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