The U.S. Food and Drug Administration added another warning to the regulatory agency’s fact sheet for Johnson & Johnson’s COVID-19 vaccine. In other news, as the Omicron variant rips through the United States, top health officials have noted that the variant is so contagious that if you come into contact with it, you are likely to catch it.

French specialty vaccine company Valneva and U.S. drugmaker Pfizer reported positive results from the companies’ Phase II study on a vaccine candidate for Lyme disease.

Codagenix Inc. announced favorable safety and immunogenicity data from a Phase I dose-escalation trial of the company’s single-dose intranasal COVI-VAC vaccine, and London-based pHOXBIO Ltd. reported results from a pivotal phase II/III study of the novel prophylactic nasal spray pHOXWELL.

French specialty vaccine maker Valneva shared positive topline results from ongoing trials for a potential single-shot vaccine against chikungunya.

German biotech firm CureVac enrolled the first participant for a Phase 2b/3 clinical trial of the company’s Covid-19 vaccine candidate.