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Articles on Severe acute respiratory syndrome (SARS)

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A sign in County Kildare, Ireland. in March 2020. Epidemiologists around the world worked hard to try to stop big parties in the face of rising caseloads of what would come to be called COVID-19. Niall Carson/PA Images via Getty Images

Two gaps to fill for the 2021-2022 winter wave of COVID-19 cases

The US was not ready for the coronavirus pandemic in 2020. What can public health leaders and policymakers do to make sure we don’t face another winter of rampant disease?
The Fairmont Royal York Hotel in Toronto. After the SARS pandemic in 2003, Toronto hotels faced a recovery period. (Shutterstock)

SARS didn’t prepare the hospitality industry for the prolonged impact of COVID-19

After SARS in 2003, an effort was made by Toronto’s tourism and hospitality industries to stimulate the sector’s recovery. But measures weren’t put in place for future pandemics.
Is COVID-19 hitting men harder than women? UpperCut Images/Getty Images

Why males may have a worse response to COVID-19

A new study is the first to identify sex differences in inflammation and immune cell activation in response to SARS-CoV-2 infection, which causes COVID-19.
A worker inspects vials of a SARS CoV-2 vaccine for COVID-19 produced by SinoVac at its factory in Beijing on Sept. 24, 2020. (AP Photo/Ng Han Guan)

Training our immune systems: Why we should insist on a high-quality COVID-19 vaccine

Our first exposure to a pathogen, either naturally or via vaccination, can affect how our immune system responds in the future to the same or similar pathogens.
Moderna just released the results of a phase 1 trial for a COVID-19 vaccine. JOSEPH PREZIOSO/AFP via Getty Images

What the phase 1 trials of the first COVID-19 vaccine really mean

Results from phase 1 trials of a COVID-19 mRNA vaccine created a burst of optimism. But details the company failed to release suggest it is too early to speculate whether the vaccine is effective.
Brazilian scientist working on a vaccine at the Immunology laboratory of the Heart Institute (Incor) of the Faculty of Medicine of the University of Sao Paulo. Sebastiao Moreira/EPA

Coronavirus vaccine: reasons to be optimistic

We don’t have vaccines for the Sars, Mers or the common cold. But that doesn’t mean scientists won’t crack it this time.
Visitors look at new anti-SARS outfits for medical workers on display Thursday Nov. 6, 2003 in Shanghai, China, as the country braced for a resurgence. The disease never made a comeback. AP Photo/Eugene Hoshiko

The mysterious disappearance of the first SARS virus, and why we need a vaccine for the current one but didn’t for the other

COVID-19 and SARS are both deadly – but different. SARS symptoms were quick to appear, making it easier to contain. Because health officials were able to contain it, the virus died off.

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