LONDON – Valneva SA’s COVID-19 vaccine, VLA-2001, prompted a stronger immune response with fewer side effects than Astrazeneca plc’s product, according to headline data from the phase III trial. Shares in Valneva (NASDAQ:VALN) shot up by nearly 40% to close Oct. 18 at $39.21 when the data were announced, partly repairing the damage on Sept. 13 when the U.K. government cancelled a $1.65 billion contract with the French vaccines specialist for 100 million doses.

PERTH, Australia – Molecular diagnostic company Speedx Pty Ltd. has invested in a Perth-based startup that makes the raw materials needed for polymerase chain reaction (PCR) COVID-19 tests. The two companies will work to develop a new at-home rapid PCR test to ensure Australia can become self-sufficient with producing PCR tests. A rapid PCR test that gives an accurate result in minutes could be used at home or work.

Advocates have continued to press for more widespread use of rapid antigen tests in the home as a primary instrument for returning to economic normalcy, and the FDA has granted an emergency use authorization (EUA) to Acon Laboratories Inc., of San Diego, for the company’s Flowflex rapid antigen test for at-home use. According to the FDA, Acon said the COVID-19 test will be produced at a rate of 200 million a month by February 2022, a clip that should go a long way toward restoring vigor to a lagging U.S. economy.