(of disease) prevalent over whole country or world. outbreak of pandemic disease.

A successful person; one who achieved their aims.

relating to graduate school education. person with undergraduate or first academic degree. To move up from a position to a higher, better one.

Machine for storing data, accessing the internet.

Existing or happening before the present time.

action of helping or doing work for someone. Ceremonies for religious purposes. perform routine maintenance or repair work on.

without doubt.

sound. . To make a judgment about something.

specialize in subject.

person or organization that pays for or contributes to costs involved in staging sporting or artistic event in return for advertising. To help someone succeed by giving them money.

High-level educational institution; college.

gladly received. used to greet someone in polite or friendly way. instance or manner of greeting someone. To accept or receive something happily and gladly.