Chinese companies are finding that their COVID-19 vaccines are effective as booster shots and against variants of the virus, as data from more studies emerge. Those who have received the third dose of Sinovac Biotech Ltd.’s COVID-19 vaccine, Coronavac, showed 2.5-fold higher neutralizing potency against the Delta variant, compared to COVID-19 convalescents and two-dose vaccinees.
Minhai Biotechnology Co. Ltd. has won approval from the NMPA for its 13-valent pneumococcal conjugate vaccine, which makes it the third company with such a vaccine to be greenlighted in China.
Given the ethics and feasibility of placebo-controlled COVID-19 vaccine trials, Access Consortium members are recognizing appropriately designed immunobridging studies as an acceptable approach for authorizing the vaccines, including those being developed to protect against SARS-CoV-2 variants.
LONDON – The U.K. government has accepted the recommendation of medical experts and will begin the rollout of COVID-19 boosters from next week, using mRNA vaccines only. That follows data from the U.K. Cov-Boost trial, looking at combinations of initial and booster doses. The results showed Pfizer Inc./Biontech SE’s and Moderna Inc.’s products generated the best immune responses, regardless of which vaccine was administered initially.
The Biden administration may have jumped ahead of the FDA review when it announced last month that it planned to roll out COVID-19 boosters by Sept. 20, but that’s not likely to happen when it comes to the timing of vaccines for young children.
Minhai Biotechnology Co. Ltd. has won approval from the NMPA for its 13-valent pneumococcal conjugate vaccine, which makes it the third company with such a vaccine to be greenlighted in China.
Shares in France’s vaccine specialist Valneva SA were sharply down after the U.K. government tore up a contract to supply 100 million doses of its COVID-19 vaccine, codenamed VLA-2001. Until today, Valneva was one of the largest COVID-19 vaccine contractors with the U.K. government, which got its orders early in the pandemic. Valneva was supposed to be supplying 100 million doses of its inactivated virus vaccine to the U.K., which had an option on a further 90 million shots.
Hillevax Inc., a company developing a vaccine to prevent moderate to severe acute gastroenteritis caused by norovirus infection, has raised $135 million in crossover financing to support further clinical development of the candidate, HIL-214.
Chinese companies are finding that their COVID-19 vaccines are effective as booster shots and against variants of the virus, as data from more studies emerge.
PERTH, Australia – Engeneic Ltd. has begun a phase I trial of its nanocellular COVID-19 vaccine, which in preclinical animal studies stimulated a broad antiviral response against mutant strains of the virus, including the virulent Delta strain sweeping across Australia.