RNA vaccines

Japan's Kanagawa prefecture said it has found another vial of Moderna Inc's COVID-19 vaccine suspected of containing a foreign substance and has put the rest of the lot on hold.

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In a statement on Aug. 31, prefectural authorities said a pharmacist found several black particles in one vial upon checking for foreign substances before the vaccine's use.

A survey of more than 17,000 pregnant and lactating individuals who received the COVID-19 vaccine showed that the individuals did not experience symptoms any more severe than their non-pregnant counterparts.

Japan announced it had suspended the use of some 1.63 million Covid-19 Moderna jabs after the domestic distributor received reports of contaminants inside the doses. Both country's officials and representatives of the pharmaceutical company said that no safety or efficacy issues had been identified but still the suspension was just a precaution, Reuters elaborated.

Japan will halt the use of 1.63 million doses of Moderna's COVID vaccine after reports of contamination in several vials, drugmaker Takeda and the health ministry said on Aug. 26.

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The efficacy of anti-COVID-19 vaccines of Pfizer and Moderna companies has decreased from 91 to 66 percent since the Delta variant of the novel coronavirus that causes this infectious disease has become dominant in the United States. This brcame clear from data published by a Federal health agency, Frrance Press reported.

The U.S. drug regulator on Aug. 23 granted full approval to the Pfizer Inc/BioNTech SE COVID-19 vaccine - the first to secure such Food and Drug Administration validation - prompting President Joe Biden to make a fresh pitch to vaccine skeptics to get the shot to fight the relentless pandemic.

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A third dose of Pfizer Covid-19 vaccine has significantly improved protection from infection and serious illness among people aged 60 and older in Israel compared with those who received two shots, according to findings published by the Health Ministry and cited by Reuters. The full details of the study were not released.

The health ministry is poised to open a platform for patients in high-risk groups to make appointments for a third dose of the COVID-19 vaccine in September.

As many as 5,643 doses of Pfizer, Moderna, AstraZeneca and Johnson & Johnson vaccine have been administered in the last 24 hours, of which 3,406 are the first dose and 2,237 the second dose, according to a report released Sunday by the National Committee of Coordination Activities against COVID-19 (CNCAV).

A new study out of the UK has shown that the effectiveness of the Pfizer/BioNTech vaccine is waning faster than others when up against a high viral load mutation of the coronavirus, like the Delta variant