Janssen Pharmaceuticals ended a global trial after independent experts determined the vaccine was not effective. But there are other possibilities in the pipeline, scientists said.
Tag: Clinical Trials
‘Ebola Could Have Wiped Us All’: Slow Lockdown Haunts Uganda
The authorities hesitated to impose restrictions in the epicenter of the Ebola outbreak because of residual trauma from the Covid lockdown. Ebola then spread to the capital, killing dozens of Ugandans.
The End of Covid Vaccines at ‘Warp Speed’
Financial and bureaucratic barriers in the United States mean that the next generation of Covid vaccines may well be designed here, but used elsewhere.
Can New Vaccines Finally Eradicate Malaria?
Two new vaccines may finally turn back an ancient plague. But in unexpected ways, their arrival also complicates the path to ending the disease.
A New Shot Guards Against H.I.V., but Access for Africans Is Uncertain
An injection every two months rather than a daily pill could shield many more women from the virus, but it is unavailable in places that need it most.
Monkeypox Appears to Recede, but Risks and Uncertainties Linger
Scientists do not yet know how well the vaccine and the drug used to treat the infection are working. Two new trials will provide answers.
Monkeypox Shots, Treatments and Tests Are Unavailable in Much of the World
High-income countries snapped up vaccines when the disease hit them, leaving none for countries that have battled the virus for years, in an echo of the Covid response.
U.K. Approves Covid Booster Vaccine That Targets Two Variants
Britain is the first country to approve the Moderna-made vaccine, which generated a strong immune response against both the original virus and the Omicron variant.
Updated Covid Shots Are Coming. Will They Be Too Late?
The government has greenlit new vaccines to defend against the latest Omicron variants. But the shots won’t arrive until the fall, and cases are rising now.
CRISPR, 10 Years On: Learning to Rewrite the Code of Life
The gene-editing technology has led to innovations in medicine, evolution and agriculture — and raised profound ethical questions about altering human DNA.