News: Coronavirus pandemic
Pandemic: It is an epidemic occurring worldwide or over a very wide area crossing international boundaries and usually affecting a large number of people.Epidemic is an event in which a disease is actively spreading. Usually,this is an outbreak that has grown out of control but is often within one country or location
- Stage 1:Disease epidemic takes the form of a pandemic,cases are imported into a country in which the infection did not originate.
- Stage 2- Local transmission:the source of the infection is from within a particular area and the trajectory the virus has taken from one person to the next is clearly established.
- Stage 3- Community Transmission:the virus is now circulating in the community, and can infect people with no history either of travel to affected areas or of contact with an infected person