Six years ago, on March 11, 2020, the World Health Organization declared COVID-19 a global pandemic. Here's what else ...

The timing of symptom onset depends on lots of factors, including the amount of virus to which someone was exposed, Hotez says. Their level of pre-existing immunity may also affect the likelihood or ...

The first known meta-analysis of how SARS-CoV-2 variant type and time since infection influence long-COVID symptoms ties Omicron to brain fog and paresthesia (numbness and tingling), while earlier ...

The Covid-19 pandemic was a collective trauma, yet not much has been written about its psychological and emotional effects.

Republic file photo An exterior view of Columbus Regional Hospital’s sign directing patients to the emergency entrance. Bartholomew County health officials are warning that respiratory illnesses are ...

Questions about the COVID-19 shot abound as federal recommendations shift and medical groups issue clashing guidance.

Add Yahoo as a preferred source to see more of our stories on Google. Fall and winter are when viruses that cause respiratory diseases like COVID-19, flu and RSV, usually circulate more heavily, so ...