By Marie Rosenthal, MS
A new study found that messenger RNA vaccines might be pretty good at not only protecting against variants of SARS-CoV-2, but also against coronaviruses that cause the common cold; even people with asymptomatic disease produce a hardy immune response; and 90% of countries responding to a World Health Organization survey are still seeing disruptions in essential health care services. Another study looked at ventilation systems in office buildings and the findings might