By Bhanvi Satija LONDON, April 1 (Reuters) - Vaccine makers Pfizer and BioNTech halted a large U.S. trial of their updated COVID-19 vaccine in healthy adults aged 50 to 64, saying enrollment in the trials had been too low to generate the needed data.

EAST LANSING, MI — A new health study found that adults exposed to PFAS-contaminated drinking water in Michigan showed a weaker immune response after COVID-19 vaccination, adding to evidence that the chemicals can interfere with the body’s immune system.

A new COVID variant, nicknamed "cicada," is spreading through at least half the nation. Here's what we know about the variant. (Adobe Stock)

CNN’s 5 Things PM brings you the stories you might have missed during your busy day.

The ongoing Iran war poses significant risks to businesses, prompting the Indian government to consider a new credit guarantee scheme to mitigate potential losses. This initiative, similar to the Emergency Credit Line Guarantee Scheme from the COVID-19 pandemic,

The clinical trial showed a 99 per cent probability that fluvoxamine outperformed placebo for 'reducing fatigue severity and improving quality of life in people with long COVID.'

Georgia residents who paid IRS penalties during COVID-19 may be eligible for refunds. Here's what to know.

Public Health Wales has said they are monitoring the virus after "seeing an increase"