Significance of the IXCHIQ Vaccine Expanding Market Potential An additional marketing authorization application is under review by the Brazilian Health Regulatory Agency to make the vaccine available in certain low- and middle-income countries, with a potential approval in 2024. Valneva's latest approval from the EC turns out to be in favor of market growth. Valneva SE (VALN) recently announced that the European Commission (EC) has given it the marketing authorization for Valneva's single-dose Chikungunya v ...