Chengdu-based Sichuan Clover Biopharmaceuticals Inc., known for its Trimer-Tag technology, raised $230 million in a series C financing round. The proceeds will, most notably, help it advance its COVID-19 vaccine candidate, S-Trimer (SCB-2019), to a global phase II/III trial by June. Following its $43 million series B round in December 2019, Clover said on Tuesday, Feb. 23, that it raised more than $400 million in the last 12 months. The company uses its Trimer-Tag technology platform to produce covalently-trimerized fusion proteins to develop protein-based vaccines and biologic cancer therapies.

HONG KONG – China is steadily greenlighting more COVID-19 vaccines and drugs to go deeper into the clinic, giving the country a growing arsenal against the disease. To date, China’s National Medical Products Administration (NMPA) has approved a handful of drugs and 16 domestically developed COVID-19 vaccine candidates for trials, up from 11 in September 2020.

PERTH, Australia – Australia’s Therapeutic Goods Administration (TGA) has granted provisional approval to Astrazeneca Pty Ltd. for its COVID-19 vaccine, a recombinant adenovirus vaccine, making it the second COVID-19 vaccine to receive regulatory approval in Australia, following the Jan. 26 provisional approval for Pfizer Australia Pty Ltd.’s COVID-19 vaccine, branded Comirnaty.

LONDON – A follow-up study of participants in the phase II/III U.K. trial of Astrazeneca plc’s COVID-19 vaccine has shown it remains effective against the new B.1.1.7 variant of SARS-CoV-2.

HONG KONG – Shortly after Australia’s recent provisional approval for the mRNA-based COVID-19 vaccine Comirnaty (tozinameran), originally developed by Pfizer Inc. and Biontech SE, Hong Kong has approved it, too, for emergency use ahead of rivals developed in mainland China. It is the first vaccine to be approved in the Chinese territory, made possible through a collaboration between Biontech and Shanghai Fosun Pharmaceutical Group Co. Ltd.

Moncef Slaoui, chief advisor to Operation Warp Speed, the public-private partnership to hurry along a vaccine for COVID-19, cited tough going in the early days of development, as researchers met “a real challenge to engage the population.” During a panel discussion at the virtual 39th J.P. Morgan Healthcare Conference, he pointed to “a double-edged sword, to talk about what a vaccine can do, when we don’t know – and then once you know, you’re going to have to change your message.”

Following a recent string of emergency use authorizations (EUA) for their jointly developed COVID-19 vaccine, BNT-162b2, Pfizer Inc. and Biontech SE said Dec. 14 that results from an ongoing German trial have helped illustrate "the multiple arms of the immune system that are activated" by the product to fight SARS-CoV-2. Separately, Moderna Inc. raised to 200 million the number of doses of its COVID-19 vaccine candidate it will supply to the U.S. government.

Moderna Inc., late on Nov. 30, said it has asked the FDA to bless emergency use of its COVID-19 vaccine mRNA-1273 after phase III data confirmed it to be 94.1% effective in preventing symptomatic cases of the disease and 100% effective in preventing severe cases. The Cambridge, Mass.-based company said efficacy was "consistent across age, race and ethnicity and gender demographics."

Moderna Inc., late on Nov. 30, said it has asked the FDA to bless emergency use of its COVID-19 vaccine mRNA-1273 after phase III data confirmed it to be 94.1% effective in preventing symptomatic cases of the disease and 100% effective in preventing severe cases. The Cambridge, Mass.-based company said efficacy was "consistent across age, race and ethnicity and gender demographics."