New study finds controversial malaria drug ineffective against COVID-19
Videos
-
New study finds controversial malaria drug ineffective against COVID-19
03:47 | June 10, 2020
-
Tracking Quebec White Shark Populations
05:13 | July 31, 2026
-
Global News Morning headlines: Friday, July 31, 2026
09:03 | July 31, 2026
-
Global News Morning headlines: Thursday, July 30, 2026
09:10 | July 30, 2026
-
Ariana Grande Encourages Fans to Vote
05:10 | July 30, 2026
-
Celebrating Montreal’s Italian Community and Heritage
05:43 | July 29, 2026
-
Global News Morning headlines: Wednesday, July 29, 2026
07:50 | July 29, 2026
-
Global News Morning headlines: Tuesday, July 28, 2026
08:50 | July 28, 2026
-
Shield of Athena Launches New Multilingual Website
05:48 | July 28, 2026
-
Pediatric ER doctor shares summer safety tips
05:25 | July 27, 2026
-
Global News Morning headlines: Monday, July 27, 2026
09:12 | July 27, 2026
-
Bagels and Coffee with Laura Casella and Ross Hull in Mile End
06:04 | July 24, 2026
-
Global News Morning headlines: Friday, July 24, 2026
09:12 | July 24, 2026
-
Global News Morning headlines: Thursday, July 23, 2026
05:55 | July 23, 2026
-
Summer in the Old Port
05:07 | July 23, 2026
-
Spruce Up Your Home for Less
06:05 | July 23, 2026
-
Global News Morning headlines: Wednesday, July 22, 2026
06:53 | July 22, 2026
-
Investing in Healthcare for Quebec Youth
05:10 | July 22, 2026
-
Global News Morning headlines: Tuesday, July 21, 2026
07:55 | July 21, 2026
-
Former Just for Laughs President Being Honoured
05:54 | July 21, 2026
-
Global News Morning headlines: Monday, July 20, 2026
05:15 | July 20, 2026
-
Montreal Study on Misunderstood Childhood Food Allergy
05:31 | July 20, 2026
-
Just for Laughs Returns with Big Star Power
05:40 | July 20, 2026
-
Global News Morning headlines: Thursday, July 16, 2026
08:36 | July 16, 2026
-
Jewish General Hospital Receives University Status
05:06 | July 16, 2026
-
Global News Morning headlines: Wednesday, July 15, 2026
08:52 | July 15, 2026
-
Prenatal and Postpartum Fitness
05:34 | July 15, 2026
-
Global News Morning headlines: Tuesday, July 14, 2026
07:43 | July 14, 2026
-
Montreal Wedding Planner Pens Wedding Planning Guide
05:29 | July 14, 2026
-
OSHEAGA Music and Arts Festival
05:48 | July 13, 2026
-
Global News Morning headlines: Monday, July 13, 2026
05:10 | July 13, 2026
-
Global News Morning headlines: Friday, July 10, 2026
04:31 | July 10, 2026
-
New study finds controversial malaria drug ineffective against COVID-19
03:47 | June 10, 2020
-
Tracking Quebec White Shark Populations
05:13 | July 31, 2026
-
Global News Morning headlines: Friday, July 31, 2026
09:03 | July 31, 2026
-
Global News Morning headlines: Thursday, July 30, 2026
09:10 | July 30, 2026
-
Ariana Grande Encourages Fans to Vote
05:10 | July 30, 2026
-
Celebrating Montreal’s Italian Community and Heritage
05:43 | July 29, 2026
-
Global News Morning headlines: Wednesday, July 29, 2026
07:50 | July 29, 2026
-
Global News Morning headlines: Tuesday, July 28, 2026
08:50 | July 28, 2026
-
Shield of Athena Launches New Multilingual Website
05:48 | July 28, 2026
-
Pediatric ER doctor shares summer safety tips
05:25 | July 27, 2026
-
Global News Morning headlines: Monday, July 27, 2026
09:12 | July 27, 2026
-
Bagels and Coffee with Laura Casella and Ross Hull in Mile End
06:04 | July 24, 2026
-
Global News Morning headlines: Friday, July 24, 2026
09:12 | July 24, 2026
-
Global News Morning headlines: Thursday, July 23, 2026
05:55 | July 23, 2026
-
Summer in the Old Port
05:07 | July 23, 2026
-
Spruce Up Your Home for Less
06:05 | July 23, 2026
-
Global News Morning headlines: Wednesday, July 22, 2026
06:53 | July 22, 2026
-
Investing in Healthcare for Quebec Youth
05:10 | July 22, 2026
-
Global News Morning headlines: Tuesday, July 21, 2026
07:55 | July 21, 2026
-
Former Just for Laughs President Being Honoured
05:54 | July 21, 2026
-
Global News Morning headlines: Monday, July 20, 2026
05:15 | July 20, 2026
-
Montreal Study on Misunderstood Childhood Food Allergy
05:31 | July 20, 2026
-
Just for Laughs Returns with Big Star Power
05:40 | July 20, 2026
-
Global News Morning headlines: Thursday, July 16, 2026
08:36 | July 16, 2026
-
Jewish General Hospital Receives University Status
05:06 | July 16, 2026
-
Global News Morning headlines: Wednesday, July 15, 2026
08:52 | July 15, 2026
-
Prenatal and Postpartum Fitness
05:34 | July 15, 2026
-
Global News Morning headlines: Tuesday, July 14, 2026
07:43 | July 14, 2026
-
Montreal Wedding Planner Pens Wedding Planning Guide
05:29 | July 14, 2026
-
OSHEAGA Music and Arts Festival
05:48 | July 13, 2026
-
Global News Morning headlines: Monday, July 13, 2026
05:10 | July 13, 2026
-
Global News Morning headlines: Friday, July 10, 2026
04:31 | July 10, 2026
New study finds controversial malaria drug ineffective against COVID-19
Description
June 10, 2020
After a months-long trial, researchers from across North America – including at the MUHC – have determined that hydroxychloroquine is ineffective at preventing COVID-19. Dr. Emily McDonald joins Global’s Laura Casella.
-
New study finds controversial malaria drug ineffective against COVID-1903:47 | June 10, 2020 -
Tracking Quebec White Shark Populations05:13 | July 31, 2026 -
Global News Morning headlines: Friday, July 31, 202609:03 | July 31, 2026 -
Global News Morning headlines: Thursday, July 30, 202609:10 | July 30, 2026 -
Ariana Grande Encourages Fans to Vote05:10 | July 30, 2026 -
Celebrating Montreal’s Italian Community and Heritage05:43 | July 29, 2026 -
Global News Morning headlines: Wednesday, July 29, 202607:50 | July 29, 2026 -
Global News Morning headlines: Tuesday, July 28, 202608:50 | July 28, 2026 -
Shield of Athena Launches New Multilingual Website05:48 | July 28, 2026 -
Pediatric ER doctor shares summer safety tips05:25 | July 27, 2026 -
Global News Morning headlines: Monday, July 27, 202609:12 | July 27, 2026 -
Bagels and Coffee with Laura Casella and Ross Hull in Mile End06:04 | July 24, 2026 -
Global News Morning headlines: Friday, July 24, 202609:12 | July 24, 2026 -
Global News Morning headlines: Thursday, July 23, 202605:55 | July 23, 2026 -
Summer in the Old Port05:07 | July 23, 2026 -
Spruce Up Your Home for Less06:05 | July 23, 2026 -
Global News Morning headlines: Wednesday, July 22, 202606:53 | July 22, 2026 -
Investing in Healthcare for Quebec Youth05:10 | July 22, 2026 -
Global News Morning headlines: Tuesday, July 21, 202607:55 | July 21, 2026 -
Former Just for Laughs President Being Honoured05:54 | July 21, 2026 -
Global News Morning headlines: Monday, July 20, 202605:15 | July 20, 2026 -
Montreal Study on Misunderstood Childhood Food Allergy05:31 | July 20, 2026 -
Just for Laughs Returns with Big Star Power05:40 | July 20, 2026 -
Global News Morning headlines: Thursday, July 16, 202608:36 | July 16, 2026 -
Jewish General Hospital Receives University Status05:06 | July 16, 2026 -
Global News Morning headlines: Wednesday, July 15, 202608:52 | July 15, 2026 -
Prenatal and Postpartum Fitness05:34 | July 15, 2026 -
Global News Morning headlines: Tuesday, July 14, 202607:43 | July 14, 2026 -
Montreal Wedding Planner Pens Wedding Planning Guide05:29 | July 14, 2026 -
OSHEAGA Music and Arts Festival05:48 | July 13, 2026 -
Global News Morning headlines: Monday, July 13, 202605:10 | July 13, 2026 -
Global News Morning headlines: Friday, July 10, 202604:31 | July 10, 2026
-
New study finds controversial malaria drug ineffective against COVID-1903:47 | June 10, 2020
-
Tracking Quebec White Shark Populations05:13 | July 31, 2026
-
Global News Morning headlines: Friday, July 31, 202609:03 | July 31, 2026
-
Global News Morning headlines: Thursday, July 30, 202609:10 | July 30, 2026
-
Ariana Grande Encourages Fans to Vote05:10 | July 30, 2026
-
Celebrating Montreal’s Italian Community and Heritage05:43 | July 29, 2026
-
Global News Morning headlines: Wednesday, July 29, 202607:50 | July 29, 2026
-
Global News Morning headlines: Tuesday, July 28, 202608:50 | July 28, 2026
-
Shield of Athena Launches New Multilingual Website05:48 | July 28, 2026
-
Pediatric ER doctor shares summer safety tips05:25 | July 27, 2026
-
Global News Morning headlines: Monday, July 27, 202609:12 | July 27, 2026
-
Bagels and Coffee with Laura Casella and Ross Hull in Mile End06:04 | July 24, 2026
-
Global News Morning headlines: Friday, July 24, 202609:12 | July 24, 2026
-
Global News Morning headlines: Thursday, July 23, 202605:55 | July 23, 2026
-
Summer in the Old Port05:07 | July 23, 2026
-
Spruce Up Your Home for Less06:05 | July 23, 2026
-
Global News Morning headlines: Wednesday, July 22, 202606:53 | July 22, 2026
-
Investing in Healthcare for Quebec Youth05:10 | July 22, 2026
-
Global News Morning headlines: Tuesday, July 21, 202607:55 | July 21, 2026
-
Former Just for Laughs President Being Honoured05:54 | July 21, 2026
-
Global News Morning headlines: Monday, July 20, 202605:15 | July 20, 2026
-
Montreal Study on Misunderstood Childhood Food Allergy05:31 | July 20, 2026
-
Just for Laughs Returns with Big Star Power05:40 | July 20, 2026
-
Global News Morning headlines: Thursday, July 16, 202608:36 | July 16, 2026
-
Jewish General Hospital Receives University Status05:06 | July 16, 2026
-
Global News Morning headlines: Wednesday, July 15, 202608:52 | July 15, 2026
-
Prenatal and Postpartum Fitness05:34 | July 15, 2026
-
Global News Morning headlines: Tuesday, July 14, 202607:43 | July 14, 2026
-
Montreal Wedding Planner Pens Wedding Planning Guide05:29 | July 14, 2026
-
OSHEAGA Music and Arts Festival05:48 | July 13, 2026
-
Global News Morning headlines: Monday, July 13, 202605:10 | July 13, 2026
-
Global News Morning headlines: Friday, July 10, 202604:31 | July 10, 2026
New study finds controversial malaria drug ineffective against COVID-19
Description
June 10, 2020
After a months-long trial, researchers from across North America – including at the MUHC – have determined that hydroxychloroquine is ineffective at preventing COVID-19. Dr. Emily McDonald joins Global’s Laura Casella.
National News
-
Affordability, investment, immigration: What’s in the ‘Masters of Our Destiny’ 2026 federal budget?5:476 hours ago -
Federal budget boosts defence spending, proposes $73B in program cuts2:146 hours ago -
Bob Dylan meets Pope Leo at the Vatican0:207 hours ago -
Immigration: Poilievre says Canada at ‘pre-Trudeau level,’ Carney says ‘conspiracy’4:017 hours ago -
Cristiano Ronaldo retires from international soccer, fans in Portugal react1:388 hours ago -
Comedian Russell Brand found guilty of rape and sexual assault by U.K. court2:106 hours ago -
Europe ‘will have to get used to it,’ expert warns amid airport disruptions caused by bomb threats4:209 hours ago -
Business Matters: Canada-China trade agreement extended to 20281:259 hours ago -
Queen At Sea: Juliette Binoche and Tom Courtenay on their heart-wrenching new movie4:5610 hours ago -
Are the viral cleaning products worth the hype?4:2910 hours ago
Advertisement
Top News
-
Cristiano Ronaldo retires from international soccer, fans in Portugal react1:388 hours ago -
Comedian Russell Brand found guilty of rape and sexual assault by U.K. court2:106 hours ago -
Europe ‘will have to get used to it,’ expert warns amid airport disruptions caused by bomb threats4:209 hours ago -
‘Lawyer up!’: Democrats expected to launch probe into Trump, administration after landslide win2:0513 hours ago -
Why Democratic midterm win could work in Canada’s favour1:581 day ago -
Ukraine and Russia prepare to meet even as attacks continue2:071 day ago -
Ukrainian app warns citizens of nuclear threat after hackers gain control2:063 days ago -
Ice, turbulence ‘certainly a factor’ in Florida plane crash, NTSB says7:203 days ago -
U.S. investigators link North Korea to Binance’s $6B crypto heist; Trump downplays claim1:594 days ago -
“He will be jailed”: Rahul Gandhi slams India’s election chief at mass rally2:384 days ago
Sponsored Content
Global National
-
Global National: Nov. 422:141 day ago -
Global National: Nov. 322:132 days ago -
Global National: Nov. 222:153 days ago -
Global National: Nov. 122:354 days ago -
Global National: Oct. 3122:065 days ago -
Global National: Oct. 3022:266 days ago -
Global National: Oct. 2922:371 week ago -
Global National: Oct. 2822:281 week ago -
Global National: Oct. 2720:171 week ago -
Global National: Oct. 2622:071 week ago
Trending
-
Feds to release Budget 2026, focused on making Canada more resilient to external shocks4:4012 hours ago -
Carney says Russia won’t be able to participate in World Juniors0:551 day ago -
Comedian Russell Brand found guilty of rape and sexual assault by U.K. court2:106 hours ago -
RBC employee charged with accessing Carney’s data2:1213 months ago -
2026 U.S. midterms: Americans ‘hopeful’ after Democrats win Congress2:2713 hours ago -
Bob Dylan meets Pope Leo at the Vatican0:207 hours ago
Canada
-
14 CFB Wainwright fire victims released, 25 remain in hospital0:2712 hours ago -
Feds to release Budget 2026, focused on making Canada more resilient to external shocks4:4012 hours ago -
Funeral held for Shaun Farrell, the Sask. soldier killed in CFB Wainwright fire1:3124 hours ago -
Bella Coola bear attack victims identified2:1011 hours ago -
‘Americans hate these tariffs’: Poilievre, LeBlanc react to U.S. midterm results5:001 day ago -
Ford ‘very open to discussions’ on ditching daylight saving time in Ontario1:031 day ago -
Fort McMurray teen arrested for terrorism-related offences after online investigation0:271 day ago -
Feisty start to Fall Session has Speaker struggling to maintain decorum1:581 day ago -
How a New Brunswick island is caught in the middle of the Canada-U.S. trade war2:353 days ago -
Former Okotoks Oilers assistant GM charged with sex crimes against minors1:043 days ago
U.S. News
-
2026 U.S. midterms: Americans ‘hopeful’ after Democrats win Congress2:2713 hours ago -
Kansas elects first Democratic senator in 94 years2:401 day ago -
‘Failed lame duck President Donald J. Trump’: Democrat Senator Jon Ossoff wins Georgia re-election2:222 days ago -
‘It’s time to bring universal healthcare to America’: Mark Warner addresses supporters after being re-elected to U.S. Senate in Virginia4:242 days ago -
Trump strikes Iran hours before polls open in U.S. midterm elections1:252 days ago -
How Trump is trying to leave his mark on Washington, D.C.’s landscape2:492 days ago -
U.S. ‘asking less, offering more,’ Carney says as ‘intense’ U.S.-Canada trade talks begin1:362 days ago -
Private jet nosedives, crashes near Florida neighbourhood, killing all 9 on board3:423 days ago
Advertisement
World
-
Atlantic Canada seafood sector reacts to extended tariff exemptions with China1:566 hours ago -
Business Matters: Canada-China trade agreement extended to 20281:259 hours ago -
What a new Democratic-led Congress could mean for New Brunswick2:2323 hours ago -
New report shows number of people experiencing homelessness decreased slightly in Halifax2:2423 hours ago -
Trump strikes Iran hours before polls open in U.S. midterm elections1:252 days ago -
Ukraine and Russia prepare to meet even as attacks continue2:071 day ago -
King Charles expresses ‘profound sorrow’ over Britain’s role in slave trade2:482 days ago -
Russia barred from 2027 World Juniors in Edmonton and Red Deer1:522 days ago -
Maritimers watch U.S. midterm elections amid trade tensions1:582 days ago -
Ukrainian app warns citizens of nuclear threat after hackers gain control2:063 days ago
Politics
-
Ontario post-secondary students walk out of class in protest2:135 hours ago -
Atlantic Canada seafood sector reacts to extended tariff exemptions with China1:566 hours ago -
N.S. extends freeze on increasing development fees in HRM2:116 hours ago -
Two Nova Scotia parents share their concerns about proposed Cape Breton data centre2:046 hours ago -
Fredericton purchases $97-million land for new middle school1:556 hours ago -
Affordability, investment, immigration: What’s in the ‘Masters of Our Destiny’ 2026 federal budget?5:476 hours ago -
Federal budget boosts defence spending, proposes $73B in program cuts2:146 hours ago -
Immigration: Poilievre says Canada at ‘pre-Trudeau level,’ Carney says ‘conspiracy’4:017 hours ago -
Business Matters: Canada-China trade agreement extended to 20281:259 hours ago -
Students federation blasts Ford government for OSAP freeze and tuition fee increase2:477 hours ago
Health and Wellness
-
How chronic stress impacts health5:407 hours ago -
How to get out of negative cycles: CASA Mental Health4:307 hours ago -
Health Matters: British healthcare worker sick with Ebola, evacuated home from Democratic Republic of Congo1:419 hours ago -
Provincewide lung cancer screening ‘months away’ for Manitobans, CancerCare says2:0823 hours ago -
Health Matters: U.S. research shows link between cannabis use and ER visits in young people1:491 day ago -
Pancreatic Cancer Awareness Month4:371 day ago -
No time change health impacts4:264 days ago -
Ovarian cancer drug clears major hurdle1:586 days ago -
Health Matters: RFK Jr. moves to allow unapproved peptides2:191 week ago
Advertisement
Investigative News
-
Drug testing company under investigation3:0213 hours ago -
Why disasters like the Nepal floods are so difficult for scientists to predict2:173 weeks ago -
Liberal donor faces deportation from Canada for ‘war crimes’ in China2:342 weeks ago -
Canada’s new foreign agent’s database registration numbers much lower than anticipated2:082 weeks ago -
B.C. attorney general ‘shocked’ by report alleging ChatGPT aided Tumbler Ridge shooter3:141 month ago -
Study finds drug seizures increased during decriminalization pilot4:002 months ago -
Questions about Vancouver police investigation into Kal Dosanjh2:122 months ago -
Why would NASA researchers be interested in studying the Pear Lake fire the Cariboo? And why was a Cold War era plane used to fly over it?6:342 months ago -
Canada gave contracts to Iran VP’s son while investigating role in regime missile program2:462 months ago -
How India’s Bishnoi gang uses Canada’s student visa program2:342 weeks ago
News Bloopers
-
‘Amoosing’ cow leaves Global News Morning crew in stitches1:5911 months ago -
‘Can’t use that on TV’: Watch a Global News reporter jump from the highest bungee jump in Canada0:3718 months ago -
Edmonton, B.C. morning show hosts settle NHL playoff bet3:0529 months ago -
‘You can’t make this stuff up:’ Loud clap of thunder interrupts live TV segment at pivotal moment0:2537 months ago -
Global Calgary weather anchor startled by surprise guest appearance0:2141 months ago -
Global National anchor Farah Nasser swallows fly on-air0:1750 months ago -
‘Buzzworthy moment’: Colin D’Mello recaps Doug Ford accidentally swallowing a bee1:5751 months ago -
‘Did you just call me daddy?’: Morning show hosts can’t hold back laughter after on-air mixup1:1551 months ago -
B.C. dad hoping to see his cloud photo on TV get his wish following viral TikTok campaign2:1255 months ago -
Bloopers: Phil Darlington slips, slides and falls in these Our Winter City outtakes1:3849 months ago