Perfluoroalkyl and polyfluoroalkyl compounds, also called "forever chemicals" are linked to severe health problems like cancer and thyroid disease.
The US Food and Drug Administration last week authorized Pfizer boosters for people 65 years and older and others at high risk of severe COVID-19,
Antibodies evolve to recognize variants and bind tighter to the virus, and booster shots could amplify them, Professor Paul Bieniasz told Insider.
A new study found high antibody levels in newborns whose mothers had gotten the Pfizer or Moderna shots.
Being infected with the coronavirus doesn't guarantee long-term immunity, so experts still advise people who've had COVID-19 to get vaccinated.
Insider spoke with three people who received unauthorized booster shots in the US, and one who received an authorized booster in Israel.
Emerging data may push US regulators to recommend boosters for immunocompromised people, Anthony Fauci said on Sunday.
The infections among attendees of a 92-person wedding in April were in people over 50, a study says. One who'd gotten the Covaxin vaccine died.
Pfizer announced on Thursday that it's seeking authorization for a booster shot - a third dose of its existing coronavirus vaccine - next month.
The Alpha variant took over as the US's dominant coronavirus strain in April. Delta could replace it soon.
Booster shots may not be necessary for another one to five years - but companies are preparing to distribute them before the end of 2021 anyway.
These are Insider's biggest healthcare stories for June 2.
The "pan-coronavirus" vaccine technology has been tested in monkeys so far. It could mean coronavirus shots won't have to be given seasonally.
Fauci points to several new studies which show COVID-19 vaccines boost protection from concerning variants among people who've had prior infections.
Giving people who've already had COVID-19 a second dose may be a waste, since the first one already acts like a booster.
Elon Musk reportedly took a personal interest in the study, and asked researchers to brief himself and top SpaceX executives.
You can’t boost your immune system overnight, but you can strengthen it with some simple lifestyle changes. When done consistently for several weeks, drinking lots of water, getting enough sleep, and taking vitamin c and zinc supplements can help boost your immune system. Some products might claim to boost your […]