Among U.S

A large scale study, which analysed data from 1020 schools, found the odds of a school-associated COVID-19 outbreak in schools without a mask requirement were 3.5 times higher than those in schools with an early mask requirement .

Study of 32,867 COVID-19 vaccinated people shows that Moderna is 95% effective at preventing hospitalization, followed by Pfizer at 80% and J&J at 60%

Comparative Effectiveness of Moderna, Pfizer-BioNTech, and Janssen (Johnson & Johnson) Vaccines in Preventing COVID-19 Hospitalizations Among Adults Without Immunocompromising Conditions — United States…

CDC: There has been 321 emergency department visits related to harmful algal bloom exposure during 2017–2019

Underlying Medical Conditions and Severe Illness Among 540,667 Adults Hospitalized With COVID-19

Study of how variants of COVID-19 spread amongst students from a Chicago University who have a history of travel during breaks suggesting extra caution needs to be taken by returning students after breaks

US adults are 42.4% obese – Related conditions are leading causes of death

36% of Covid patients never make antibodies

CDC study shows unvaccinated people are 29 times more likely to be hospitalized with Covid