The presidential candidate has objected by proxy while on the campaign trail.
The move comes as Rubio seeks a strong finish in New Hampshire's Tuesday primary.
The president is requesting $1.8 billion to fight the virus.
Timothy Cama 02/08/16 02:46 PM EST
Cantwell, Murkowski say they worked through weekend on possible deal.
The Arizona Republican slams "loose talk on the campaign trail."
She's the seventh senator to back the Florida Republican.
Jordain Carney 02/05/16 06:47 PM EST
Sen. Mark Kirk wants to know how the VA will fix the Choice program.
Sen. Ron Johnson criticized a "false hit piece" about his attendance at hearings.
The letter is the latest sign of concern from lawmakers.
The group wants three presidential candidates to support "universal contraceptive coverage."