antiviral news

Press Releases in the global landscape
May 14, 2026

Shionogi pill prevents COVID-19 in household exposure study

The results mark the first late-stage success for an oral antiviral used to prevent COVID-19 after exposure.
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May 13, 2026

Trials demonstrate Paxlovid’s evolving role against COVID-19

Paxlovid’s role in treating COVID-19 is not ending — it is evolving, according to the results of two national trials published in The New England Journal of Medicine.Although the trials — one conducted in the United Kingdom (PANORAMIC) and the other in Canada (CanTreatCOVID) — determined that Paxlovid (nirmatrelvir-ritonavir, Pfizer) does not reduce the incidence of hospitalization or death among vaccinated high-risk patients with SARS-CoV-2 compared with usual care, the combination medication sped up recovery in a meaningful way, experts noted.Nirmatrelvir-ritonavir is an antiviral regimen
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May 13, 2026

New England Journal of Medicine Publishes Shionogi Study Demonstrating Ensitrelvir Prevents COVID-19 Following Exposure

Shionogi & Co., Ltd. (Head Office: Osaka, Japan; Chief Executive Officer: Isao Teshirogi, PhD; hereinafter “Shionogi”) announced that results from its global, double-blind, randomized, placebo-controlled Phase 3 study, SCORPIO-PEP, were published in the New England Journal of Medicine. A five-day course of ensitrelvir significantly reduced the risk of symptomatic COVID-19 by 67% in individuals following exposure to an infected individual through Day 10 compare
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May 4, 2026

Nirmatrelvir–ritonavir does not improve severe outcomes in adults vaccinated against COVID-19

Study found nirmatrelvir–ritonavir did not reduce severe outcomes in vaccinated COVID-19 patients, though symptom recovery improved.
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Apr 23, 2026

St. Michael’s Hospital’s Upstream Lab uncovers new evidence which could shape decisions on Paxlovid use for COVID-19

St. Michael’s Hospital’s Upstream Lab uncovers new evidence which could shape decisions on Paxlovid use for COVID-19
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Apr 22, 2026

If It's COVID, Paxlovid? Studies Suggest a Rethink These Days

Studies suggest Paxlovid may not prevent severe COVID-19 outcomes in vaccinated individuals but could reduce recovery time and viral load.
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