Valneva SE, developer of the world’s first vaccine against chikungunya virus, is forecasting higher sales this year and more investment in R&D as it advances new products in the clinic against infectious diseases. Product sales this year are expected to reach €170 to €180 million, up from €163.3 million in 2024. This will drive positive cash flow for the business enabling an increase in R&D spending to between €90 to €100 million, up from €74.1 million in 2024.