Cheyenne Haslett, ABC News

Cheyenne Haslett

ABC News

Cheyenne, WY, United States

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Recent articles by Cheyenne:

Biden administration declares monkeypox a public health emergency

The Biden administration declared the current outbreak to be a public health emergency after more than 6,600 cases were detected in the U.S. → Read More

Agencies weigh 2nd COVID booster for more people; admin urges shots for those over 50

The FDA and CDC are looking into expanding COVID booster eligibility, with BA.4 and BA.5 spreading → Read More

Ending Roe vs. Wade opens the door to a nationwide abortion ban. But how likely is it?

Experts say this is a "marathon, not a sprint." Each election will ultimately have an incremental impact. → Read More

Government nearly exhausts monoclonal COVID treatment funding with new purchase

The White House Has repeatedly warned money is running out for more treatments. → Read More

FDA recommends COVID vaccines update for fall

The new vaccines will target BA.4 and BA.5, plus the initial COVID-19 strain. → Read More

Health officials plan for updated vaccines with an eye on COVID’s unpredictability

Updated COVID-19 vaccines that could better match the more recent variants are on the way. → Read More

Trump's focus on 2020 election got in the way of COVID response during deadly winter, Birx says

Dr. Deborah Birx, a former COVID response coordinator under Donald Trump, told Congress that his focus on the 2020 election got in the way of a strong COVID response. → Read More

FDA authorizes Pfizer and Moderna COVID vaccines for kids as young as 6 months

The FDA has authorized the Pfizer and Moderna COVID-19 vaccines for kids as young as six months, finding them both safe and effective. → Read More

FDA panel recommends authorizing Moderna, Pfizer shots for youngest kids

Parents with young kids are one step closer to getting them vaccinated following a grueling wait. → Read More

Vaccine orders for kids under 5 underway as approval process moves forward

The White House is preparing for vaccines for kids under 5 to be available in late June. → Read More

Pfizer 3-dose COVID vaccine 80% effective against symptomatic omicron infection for youngest children

In long-awaited data, Pfizer said its 3-dose vaccine was 80% effective against symptomatic omicron COVID-19 infection among children 6 months to under 5 years old. The company cautioned that estimate was preliminary and could be adjusted as more data is collected. The trial wasn't big enough to estimate protection against severe disease, which experts expect to be higher. For all age groups,… → Read More

Officials expected to decide on new COVID-19 vaccine design in early July

Officials are planning to roll out an updated vaccine this fall and winter. → Read More

CDC signs off on booster shots for children ages 5 to 11

Less than 30% of children ages 5 to 11 years old have been fully vaccinated. → Read More

CDC advisory panel greenlights booster shots for children ages 5 to 11

Less than 30% of children ages 5 to 11 years old have been fully vaccinated. → Read More

Biden administration bracing for challenging fall and winter of COVID-19

Without funding for vaccines or treatment, the administration expects up to 100 million cases this fall and winter. → Read More

FDA will review Moderna's data on vaccine for young kids without waiting for Pfizer

FDA was considering reviewing both the Moderna and Pfizer data on kids under five simultaneously for a side-by-side comparison. → Read More

Moderna asks FDA for authorization of its vaccine for children under 6

The submission marks a hopeful development in the long journey for parents who are desperate to get their young kids vaccinated. → Read More

Parents of kids under 5 fed up with lack of FDA action on a vaccine

Parents of unvaccinated kids under 5 are fed up with what they see as inaction by federal regulators and the Biden administration on a vaccine for their little ones. → Read More

Americans who haven't had COVID-19 are now in the minority following omicron surge

A new CDC analysis estimates that at least three out of every five Americans have antibodies that indicate a prior COVID-19 infection. Before the omicron-fueled surge in cases from December 2021 to February 2022, only an estimated one-third of people in the U.S. were estimated to have a prior infection. "This is the first time that population seroprevalence is over 50%," Dr. Kristie Clarke,… → Read More

When will vaccines be authorized for kids under 5? Here's what we know

There is hope that parents will be able to vaccinate their kids under five years old soon — perhaps as early as June, according to top Biden administration officials. → Read More