The death toll of hospitalized patients in the United States has rebounded to the highest level since February this year, and there is a shortage of intensive care beds in some parts of the south. Three more senators had "breakthrough infection". The number of new deaths in the United States peaked in January this year, then gradually decreased, and fell to the bottom in July. However, with the spread of the delta strain of the new crown variant virus, the epidemic has rebounded in the past month, and the number of single day deaths has continued to increase.

the present continuous is a verb tense which is mainly used to indicates that an action is in progress at the moment of speaking.  

it is formed using: person + verb to be (am/is/are) +verb + - ing form  

example: i am studying at this moment .

in addition, the present continuous is also used in order to express things that will or will not happen in the near future.

example: i am having dinner with some friends tonight.

the speaker sometimes   uses it   to express that an action is repeated and it causes irritation on the part of the speaker

example: my sister is constantly complaining about everything.

●intensive purposes is the correct answer

provide the full question .