essay on coronavirusv
Answers
The incubation period of COVID-19 is thought to be between one and 14 days. It is contagious before symptoms appear, which is why so many people get infected.
Infected patients can be also asymptomatic, meaning they do not display any symptoms despite having the virus in their systems.
Where did it come from?On February 7, Chinese researchers said the virus could have spread from an infected animal to humans through illegally trafficked pangolins, prized in Asia for food and medicine.
Scientists have pointed to either bats or snakes as possible sources.
CARD: Coronavirus timeline
Should I worry? How can I protect myself?
The WHO declared the virus a pandemic on March 11 and said it was “deeply concerned by the alarming levels of spread and severity” of the outbreak.
The WHO recommends basic hygiene such as regularly washing hands with soap and water, and covering your mouth with your elbow when sneezing or coughing.
Maintain “physical distancing” – keeping at least 1 metre (three feet) between yourself and others – particularly if they are coughing and sneezing, and avoid touching your face, eyes and mouth with unwashed hands.
Avoid unnecessary, unprotected contact with animals and be sure to thoroughly wash hands after contaChina alerted the WHO to cases of unusual pneumonia in Wuhan on December 31.
COVID-19 is thought to have originated in a seafood market where wildlife was sold illegally.