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Herd Immunity – level 1

04-06-2020 07:00

Many infectious diseases exist. It is not easy to...

Tired Eyes – level 2

06-05-2020 15:00

People are spending a lot of time in front...

Coronavirus and Vaccine – level 2

04-05-2020 15:00

Scientists in Oxford, UK, say that they could make...

Coronavirus and Vaccine – level 3

04-05-2020 15:00

Scientists at the University of Oxford, UK, say that...

Help for Medical Workers – level 2

01-04-2020 15:00

US health care workers struggle because they do not...

Help for Medical Workers – level 3

01-04-2020 15:00

Ethanol producers say that they can produce millions of...

Applause for Spanish Workers – level 1

30-03-2020 07:00

Spain is a large country in southern Europe. Many...

Tennis Player Ends Career – level 1

02-03-2020 15:00

Maria Sharapova is a tennis player. She comes from...

Tennis Player Ends Career – level 2

02-03-2020 15:00

Maria Sharapova was born in Russia, and she became...

US-Mexico Tunnel – level 1

04-02-2020 07:00

US officials find a tunnel. It connects Mexico with...