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COMIC: As it spreads throughout the world, the virus that causes Covid-19 has been changing. Scientists are tracking those changes, hoping to stay one step ahead of worrisome strains.
Traffic planners, securities traders and military strategists all use it. Simulating the behavior of millions of idiosyncratic individuals also may be the best way to understand complex phenomena like pandemics.
VIDEO: In the past year, conspiracy theories have had a big impact on politics and public health. What makes them so appealing? How can we disrupt their influence? Join us to explore these issues and more.
VIDEO: Some variants of SARS-CoV-2, such as Delta, will drive new waves of COVID-19 infections. What can previous studies of the flu, HIV and SARS tell us about the course that this pandemic may take?
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.
VIDEO: Delays, errors and a fragmented response initially kept public health officials in the dark about the spread of SARS-CoV-2. More tests and easy access could still play a critical role in slowing the virus.
Drug treatments and vaccines for Covid-19 are needed fast. But developing them in mid-outbreak is logistically hard and ethically tricky. A veteran vaccine researcher explains.
The Covid-19 lockdown has changed alcohol habits, but public health researchers face a blurred and incoherent picture of who’s been drinking, and how much
VIDEO: Disrupted sleep ups the risks for heart disease, cancer and depression. How? And what can be done about the inequities that leave communities of color and poor people at greater risk?
VIDEO: Tens of millions of people are living with long Covid. Yale immunologist Akiko Iwasaki explains the current state of play in the search for causes of, and treatments for, this potentially debilitating illness.
From building up defenses in the nose to slowing down a virus’s ability to make copies of itself, scientists are rolling out a raft of creative approaches to fighting infection
There’s more than one way for a nation to achieve universal coverage for its residents. Here are the systems of six different countries.
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