Dengue cases in the Americas so far this year are outpacing last year's record activity.
The step frees up more resources for the dengue outbreak, which has sickened more than 31,000 people so far.
In hard-hit Brazil, the health ministry has asked the Fiocruz Institute to double its dengue test production.
Vector-borne illnesses have doubled over the past two decades, as the number of pathogens grows and affected areas expand.
In Brazil, Amazonas state is the hot spot, but health officials are also investigating cases in Acre and Roraima states.
VE was 80.1% for participants aged 2 to 6 years.
At tomorrow's hearing, Senators will hear from long-COVID patients, doctors, and researchers.
Brazil, the hardest-hit country in the Americas, approved the Qdenga vaccine last March.
The H5N6 case, as well as 2 new H9N2 cases, were in Sichuan province.
Multiple factors are fueling rises and compounding the impact, including shifts in dengue serotypes.