Articles sur Severe acute respiratory syndrome (SARS)

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The polymerase chain reaction, or PCR, is used to copy strands of DNA. (Pixabay/PixxlTeufel)

The road to COVID-19 testing: The role of a Canadian biotech pioneer

COVID-19 tests rely on a process developed at a biotech company co-founded by a Canadian. Canada’s current testing expertise needs to be channelled to prepare for the next wave, and the next pandemic.
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.
This Sunda pangolin found throughout Southeast Asia is currently considered to be critically endangered. Piekfrosch / German Wikipedia

Study shows pangolins may have passed new coronavirus from bats to humans

When a new virus emerges and triggers a pandemic, it is important to trace its origins. Knowing more about how the virus jumped species in the first place can help curb future zoonotic diseases.
Ireland’s health minister, center, models social distancing at his nightly coronavirus press briefing March 27, 2020. Sasko Lazarov/RollingNews.ie/PA Images via Getty Images

Clear, consistent health messaging critical to stemming epidemics and limiting coronavirus deaths

When a government's health messaging during a crisis is inconsistent or unrealistic, it engenders the kind of confusion, misinformation and non-cooperation seen in the US and UK.

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