Archived articles

Covid-19 vaccine

A toddler receives a vaccine
Vaccination
U.S. rolls out COVID-19 vaccines for youngest children
Published June 23, 2022
The CDC and FDA approved vaccines by Moderna and Pfizer/BioNTech in children older than 6 months; vaccinations began this week
A child receives a vaccine
Vaccination
FDA authorizes COVID-19 vaccines for children under 5 years old. What's next?
Published June 16, 2022
Vaccine expert Ruth Karron discusses the authorization of COVID-19 vaccines for those under 5 years old, and what's likely to happen with the authorization over the next few weeks
A person loads a syringe from a glass vial containing the Novavax vaccine while a promotional sign in the background reads 'Novavax'
COVID-19
What you need to know about the Novavax vaccine
Published June 16, 2022
Novavax uses a combination of spike proteins and an immune stimulant to provoke an immune response against the virus that causes COVID-19. Vaccine expert William Moss discusses its strengths and weaknesses ahead of its potential emergency use authorization.
A screenshot of Tom Inglesby speaking during a discussion about the pandemic
Coronavirus
The pandemic has reached a plateau, but for how long?
Published June 8, 2022
Johns Hopkins health security expert Tom Inglesby provides an update on the state of the pandemic and how vaccination, funding, and variants may affect its future
Colorful image of virus emerging from cells
Immunity
Antibodies point researchers toward broad coronavirus vaccines
Published June 8, 2022
Certain antibodies isolated from people who had recovered from COVID-19 and were vaccinated have the ability to neutralize variety of coronaviruses
A photo of the Coronavirus Resource Center statistics
Pandemic data
One million lives lost to COVID-19
Published May 17, 2022
Experts say the tragic milestone, now recorded by the Coronavirus Resource Center tracker, likely occurred months ago and that higher vaccination rates could have prevented many fatalities
Illustration of a woman chatting with a virtual assistant
Virtual assistant
Chatbots battle COVID-19 vaccine hesitancy
Published March 24, 2022
Researchers at Johns Hopkins had already been developing chatbots to combat vaccine misinformation when the coronavirus pandemic arrived, giving their work greater urgency
A child takes a COVID-19 test
COVID-19
Study: Children's antibody responses to COVID-19 are stronger than adults'
Published March 22, 2022
Findings differ from earlier reports of low antibody responses in children exposed to COVID-19 virus and suggest that even the youngest children may respond to vaccines if correct dose is determined
A healthcare worker readies a COVID-19 vaccine at a vaccine clinic operated by Johns Hopkins at Port Discovery in February 2022
Coronavirus
Key COVID-19 metrics decline, but experts say it's far from over
Published Feb 28, 2022
COVID-19 is inching toward endemic status in the U.S., but a clear seasonal pattern has yet to emerge. Meanwhile less than 66% of the total population has been vaccinated.
A person receives a COVID-19 vaccine
COVID-19
COVID-19 vaccine maintains strong protection against severe disease at six months
Published Feb 22, 2022
A pre-omicron study reviewed four vaccines, finding that they retain nearly all of their ability to prevent severe disease up to six months after full vaccination