There are early signs that people who have been vaccinated against Covid-19 may be able to transmit the Delta variant of the virus as easily as those who have not, scientists at Public Health England (PHE) said on Aug. 6.
Johnson & Johnson’s Covid-19 vaccine is working well in South Africa, offering protection against severe disease and death, the co-head of a trial in the country said on Aug. 6.
Antibody levels in people inoculated with CanSino Biologics’ (CanSinoBIO) single-dose Covid-19 vaccine fell by some 30 percent after six months, however a booster shot could offer a significant lift, a senior executive said on Aug. 5.
Novavax Inc. on Aug. 5 again delayed the company’s timeline for seeking U.S. authorization for its two-dose Covid-19 vaccine, but expects to become a major distributor to lower and middle-income countries this year.
Moderna Inc. said on Aug. 5 the company’s Covid-19 vaccine was about 93% effective through six months after the second dose, showing hardly any change from the 94% efficacy reported in the original clinical trial.
The U.S. Food and Drug Administration is aiming to give full approval for the Pfizer vaccine by early September, the New York Times reported on Aug. 3, citing people involved in the effort.
Shares of Autolus Therapeutics were up in trading after the company announced an exclusive licensing agreement with Moderna to develop new messenger RNA therapeutics for cancer.
Combining AstraZeneca’s Covid-19 vaccine with a second dose from either Pfizer-BioNTech or Moderna’s jab provides “good protection”, Denmark’s State Serum Institute said on Aug. 2.
The world is at risk of losing hard-won gains in fighting Covid-19 as the highly transmissible Delta variant spreads, but WHO-approved vaccines remain effective, the World Health Organization said on July 30.
Trials mixing a first dose of the Russian-made Sputnik V vaccine with AstraZeneca’s shot revealed no serious side effects and no subsequent cases of coronavirus among volunteers, the Russian Direct Investment Fund (RDIF) said on July 30.
