Ivan Couronne
Ivan Couronne
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Are COPs useful? A defence from five participants
by Ivan Couronne - December 7, 2023 - 8:37pm
In recent years, there have been growing questions about whether the climate talks known as COP are useful. 
COP28 president 'cautiously optimistic' on success of key climate conference
by Ivan Couronne - November 27, 2023 - 4:27pm
The UAE's Sultan Al Jaber, the president of the forthcoming UN climate conference in Dubai, is "cautiously optimistic" that the pivotal talks will be successful, he told AFP in an interview on Saturday.
Oil exec and climate champion? The man steering COP28
by Ivan Couronne - October 31, 2023 - 5:30pm
The Emirati oil boss preparing to take the helm of UN climate talks said he is stunned to hear that environmentalists suspect him of duplicity on climate change.
COVID-19 vaccine: the next steps
by Ivan Couronne - November 21, 2020 - 11:08am
With US pharmaceutical giant Pfizer and its German partner BioNTech applying for an emergency use authorization in the United States for their coronavirus vaccine and US biotech company Moderna expected to do so...
Pfizer/BioNTech seek first vaccine approval in US
by Ivan Couronne - November 21, 2020 - 10:27am
US biotech giant Pfizer and German partner BioNTech sought approval Friday to roll out their coronavirus vaccine early, a first step towards relief as surging infections prompt a return to shutdowns that...
What are clinical trials and how do they work?
by Ivan Couronne - November 19, 2020 - 10:56am
To find out whether experimental COVID-19 vaccines are safe and effective, researchers design clinical trials involving thousands of volunteers, divided into groups that receive either the drug under investigation...
Planes, dry ice, pharmacies: The logistical challenges of COVID-19 vaccines
by Ivan Couronne - November 11, 2020 - 9:51am
The vaccine developed by US pharmaceutical giant Pfizer and Germany's BioNTech, on track to be the first authorized for use in the United States, must be stored at -94 degrees Fahrenheit (-70 degrees Celsius),...
US closes in on 200,000 virus deaths, weeks before election
by Ivan Couronne - September 22, 2020 - 7:29am
According to a rolling tally by Johns Hopkins University, 199,743 Americans have died and 6.8 million have been confirmed infected.
Moderna shares COVID-19 vaccine trial blueprints, Pfizer follows
by Ivan Couronne - September 18, 2020 - 7:58am
The vaccine race has become deeply politicized in the US in the run-up to the presidential election in November, as President Donald Trump touts a quick vaccine in response to criticism of his handling of the p...
Progress, hope in treatment of severe COVID-19 cases
by Ivan Couronne - September 9, 2020 - 8:02am
Doctors are now able to treat severe cases of the coronavirus much better than when the pandemic began, which could save many lives, experts in France and the United States said.
Poor countries desperate for COVID-19 vaccines may be outbid by richer neighbors
by Ivan Couronne - September 2, 2020 - 4:41pm
Richard Hatchett, the head of the Coalition for Epidemic Preparedness Innovations (CEPI), is worried.
SpaceX, NASA delay milestone mission due to bad weather
by Ivan Couronne - May 28, 2020 - 7:45am
SpaceX's landmark launch to the International Space Station — the first crewed mission to blast off from US soil in almost a decade — was scrubbed Wednesday due to bad weather.
US drugmaker reports promising early results from COVID-19 vaccine test
by Ivan Couronne - May 19, 2020 - 7:37am
US biotech firm Moderna reported promising early results on Monday from the first clinical tests of an experimental vaccine against the novel coronavirus performed on a small number of volunteers.
At height of pandemic, 1.4 million US health workers lose jobs
by Ivan Couronne - May 14, 2020 - 7:41am
The United States is the country hardest hit by the coronavirus pandemic, with more than 80,000 deaths and almost 1.4 million confirmed cases.
COVID-19 lockdowns could spark rise in HIV infections, experts warn
by Ivan Couronne - May 12, 2020 - 11:35am
If lockdowns and stay-at-home orders are succeeding in slowing the spread of the coronavirus, health experts warn that the measures could unintentionally undermine efforts to contain another potentially deadly disease:...
US milestone of 100,000 virus deaths likely by June
by Ivan Couronne - May 5, 2020 - 8:25am
US President Donald Trump now says his worst-case coronavirus scenario would be 100,000 deaths, but the country will probably reach that grim milestone by next month, according to several scientific models —...
Experts say China virus outbreak will last months at least
by Ivan Couronne - January 28, 2020 - 3:28pm
The 2019-nCoV will afflict a minimum of tens of thousands of people and will last at least several months, researchers estimate based on the first available data.
How will Iran retaliate to US killing of top commander?
by Ivan Couronne - January 4, 2020 - 3:28pm
From mobilizing its allies in the Middle East to blocking shipping in a strategic waterway or even launching a cyber attack far beyond its borders, Iran has no shortage of options to avenge the killing...
US: The 'supercells' that cured an infant's grave genetic illness
by Ivan Couronne - January 4, 2020 - 10:30am
When a person's immune system is impaired by a genetic disease, a bone-marrow transplant can be a powerful therapeutic tool, but with a major downside: during the first few months the recipient's defenses against...
The US remains in the Paris accord, for now
by Ivan Couronne - November 2, 2019 - 10:48am
Trump's official letter has long been expected and won't mean anything in concrete terms, but will send a strong signal to the Republican president's base on the campaign trail.
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