Pandemic puts all eyes on public health

Covid-19 has exposed the weak spots of the US public health system — and that presents an opportunity, says an epidemiologist, for the nation to recognize the problems and act to fix them

Lola Butcher • knowable
Nov. 17, 2020 ~14 min

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Evolution of the US public health system

TIMELINE: From colonial efforts to control smallpox outbreaks to antimalarial campaigns targeting mosquitoes, the American effort grew for centuries. But cutbacks have weakened it in the past decades.

Lola Butcher • knowable
Nov. 17, 2020 ~6 min

public-health coronavirus society health-disease reset special-report-reset

I got the Pfizer Covid-19 vaccine. Or maybe not.

OPINION: Many Americans say they won’t take a vaccine. I am not one of them — and I have the shots to prove it.

Amber Dance • knowable
Nov. 10, 2020 ~7 min

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I tested positive for Covid-19 antibodies — what now?

As immunologists struggle to understand the immune response, psychologists want to know how infected people will think and behave after they recover

David Adam • knowable
Sept. 9, 2020 ~14 min

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Getting a Covid-19 vaccine — quickly and safely

Researchers around the globe are working with unprecedented speed to find the vaccines we need to find our way through the pandemic. What’s the bar for safety and effectiveness?

Eric Bender • knowable
July 30, 2020 ~17 min

public-health coronavirus society explained health-disease

Matching meals to metabolism

Genes, microbes and other factors govern how each person’s body processes nutrients. Understanding the connections could help optimize diets — and health.

Jyoti Madhusoodanan • knowable
July 28, 2020 ~11 min

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How viruses evolve

Pathogens that switch to a new host species have some adapting to do. How does that affect the course of a pandemic like Covid-19?

Bob Holmes • knowable
July 16, 2020 ~18 min

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Speaking of pandemics: The art and science of risk communication

Public health messages should be loud and clear, so that everyone listens and stays safe. But that’s easier said than done — especially with a case as complex as Covid-19.

Bob Holmes • knowable
July 9, 2020 ~12 min

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Data viz experts explain Covid-19 graphics | Things to Know

VIDEO: Scientists break down what some popular visualizations of the pandemic can and cannot tell us

Tien Nguyen • knowable
May 18, 2020 ~1 min

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An old problem: How immune responses weaken with age

The body’s defenses lose flexibility and diversity over time, and protective responses to vaccines weaken as well. Scientists are working on ways to boost seniors’ protections against influenza, the novel coronavirus and other pathogens.

Jonathan Wosen • knowable
April 1, 2020 ~12 min

public-health coronavirus explained health-disease living-world

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