Alpha Tau Medical S-1/AIPO registration (amended)

Exhibit 23.1

INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM’S CONSENT

We consent to the inclusion in this Registration Statement of Healthcare Capital Corp. (the “Company”) on Amendment No. 1 to Form S-1 [File No. 333-251527] of our report dated October 9, 2020, which includes an explanatory paragraph as to the Company’s ability to continue as a going concern, with respect to our audit of the financial statements of Healthcare Capital Corp. as of September 2, 2020 and for the period from August 18, 2020 (inception) through September 2, 2020, which report appears in the Prospectus, which is part of this Registration Statement. We also consent to the reference to our Firm under the heading “Experts” in such Prospectus.

/s/ Marcum LLP

Marcum LLP

New York, New York

January 11, 2021