The Covid-19 antibody therapy -- AZD7442 -- was only 33 percent effective in reducing the risk of symptoms.
The worst fears of the scientific community sadly fit into the realistic outlook for this virus's trajectory.
Health officials fear a rise in breakthrough Covid-19 cases in the coming days as state governments are easing restrictions across the US.
Particle pollution was found to be high indoors in most cities even after the lockdown had lifted.
The contaminated vaccine doses were manufactured at the Baltimore plant of J&J sub-contractor Emergent BioSolutions.
Pfizer vaccine shot is said to be 94% effective in preventing intensive care unit admissions or deaths.
The lab leak theory got a fillip this week when WSJ published an article that argued that the virus causing COVID-19 is a man-made monster optimized in a lab for catastrophic effect.
More than 6 percent of the sequenced Covid-19 infections in the US trace to the highly transmissible Delta variant.
The thesis says that coronavirus, which is quite similar to SARS-CoV-2, could have been infecting humans as early as 2012.
Brandenburg's action had resulted in losses, uncertainty and anxiety for the people who received the doses from the lot destroyed by him.
The study also revealed that more virus particles are deposited in the right lung, especially the right upper lobe and the right lower lobe, than in the left lung.
A YouGov poll shows 59 percent of adults would either prefer their date to be vaccinated or wouldn't date an unvaccinated person.
The conclusion is this -- either the virus was manipulated in a lab or, in a strange coincidence, the virus took an unnatural combination used by human researchers.
Mysterious Brain disease in Canada: Six killed and 48 infected.
In Wuhan, China, where the first cases of the coronavirus emerged in late 2019, at least two labs studied coronaviruses that originate in bats.