Study: Some 56% of people don’t know they are contagious, omicron study finds
By
Alicia Lasek
Aug 19, 2022
This lack of awareness about asymptomatic infections likely had a role in rapid transmission during the omicron wave, investigators say.
Recovered COVID patients with sore throat, nasal symptoms still may test positive
By
Alicia Lasek
Oct 29, 2020
Nearly 17% of hospitalized COVID patients who were considered fully recovered tested positive for the virus in follow-up screenings. Two telltale symptoms may suggest a need for repeat testing, investigators...
One person with COVID infects 4 to 5 others, double WHO estimates, study finds
By
Alicia Lasek
Oct 01, 2020
Each person who contracted the coronavirus early in the pandemic likely transmitted it to four or five others, according to a new analysis.
Blood type doesn’t affect COVID-19 severity, but it may impact diagnostic test results
By
Alicia Lasek
Jul 22, 2020
Patients with types B or AB blood were more likely to test positive for COVID-19, whereas those with type O were least likely to test positive, a new study has found.
New data leads to warning: Coronavirus patients often present without fever
By
Alicia Lasek
Mar 04, 2020
Cough and fever dominate the list of COVID-19 symptoms, but initial signs may be nonexistent, according to data from the outbreak’s first two months.
Splash of hand sanitizer not enough to stop spread of type A flu virus
By
Alicia Lasek
Sep 18, 2019
Two full minutes of exposure to ethanol-based disinfectant is not enough to kill type A flu virus in mucus from infected patients.
Nursing homes the No. 1 setting for norovirus outbreaks
By
Tim Mullaney
Jun 04, 2014
Long-term care facilities are by far the most common settings for norovirus outbreaks, dwarfing the number of outbreaks in hospitals, according to government data released Tuesday.