“Most of the sick people in this outbreak live in or traveled to Florida about a month before they got sick," the CDC said as it asked for the public's help.
The Household Pulse Survey found that over 40% of Americans have tested positive for the coronavirus at some point.
The shots will become available next week, expanding the nation’s vaccination campaign to children as young as 6 months.
Over 1,000 monkeypox cases have been reported worldwide as of Tuesday, according to the CDC.
The Biden administration warned the country will run out of funds used to pay for COVID vaccines, treatments and tests.
The hope is that an extra shot will shore up protection as coronavirus infections once again are on the rise.
U.S. regulators hope an extra vaccine dose, which still needs the CDC's approval, will enhance children's protection as infections rise once again.
The provisional 2021 total translates to roughly one U.S. overdose death every 5 minutes.
The surprising cases of hepatitis date back to late October in children under 10.
U.S. health officials are restating their recommendation that Americans wear masks on planes, trains and buses, despite a court ruling last month that struck down a national mask mandate on public transportation.