2020 Vol. 2, No. 27
e key epidemiological parameters including serial interval, basic reproductive number (R0), and effective reproductive number (Rt) are crucial for coronavirus disease 2019 (COVID-19) control and prevention. ...
What is already known about this topic? E
lderly persons are vulnerable to infectious diseases, and nutritional status and health conditions were important to evaluate for disease prevention and ability to recover for the elderly during the coronaviru...
is already known on this topic? F
wing 110 days of no new confirmed cases of COVID-19 in Tianjin Municipality, a case was confirmed on June 17, 2020. A total of 136 local cases had been reported previously.
is added by this repor...