Tag Archives: vaccine

Moderna today announced it is developing a booster shot to proactively address the evolving Covid-19 virus, particularly to guard against a new South African strain.

With two promising vaccines primed for release, likely within weeks, experts in ethics and immunization behavior say they expect attitudes to shift quickly from widespread hesitancy to urgent, even heated demand.

Historically, important scientific announcements about vaccines are made through peer-reviewed medical research papers that have undergone extensive scrutiny about study design, results and assumptions, not through company press releases. So did Pfizer’s stock deserve its double-digit percentage bump? The answers to the following five questions will help us know.

The Department of Veterans Affairs is recruiting 8,000 volunteers for the Phase 3 clinical trials of at least four COVID-19 vaccine candidates at 20 federal medical facilities across the U.S.

Dozens of vaccine candidates are in various testing stages around the world, with 11 in the last stage of preapproval clinical trials — including four in the U.S. One or more may prove safe and effective and enter the market in the coming months. What then?

President Trump, who seems intent on announcing a COVID-19 vaccine before Election Day, could legally authorize a vaccine over the objections of experts, officials at the FDA and even vaccine manufacturers, who have pledged not to release any vaccine unless it’s proved safe and effective.

Scientists know that vaccines engineered to protect the public from influenza, hepatitis B, tetanus and rabies can be less effective in obese adults than in the general population, leaving them more vulnerable to infection and illness.

A handful of studies on COVID-19 survivors suggest that antibodies begin to disappear within months. Dr. Anthony Fauci, said he’s “cautiously optimistic” that researchers will overcome such obstacles.

Ten years of vaccinating against human papillomavirus (HPV) has cut infections from this cancer-causing virus by 64 percent among teen girls, U.S. health officials report. ...

The start of flu season is just around the corner and U.S. health officials are urging everyone aged 6 months and older to get their ...