CONCORD, N.H. (AP) — A state senator from Warren has tested positive for the coronavirus.

Republican Sen. Bob Giuda began exhibiting symptoms Saturday and is at home recovering, according to a news release late Tuesday. There is no concern for possible staff exposure because he hasn't been at the Statehouse since Dec. 7, and all family members and friends he had close contact with have been notified.

“We take this situation very seriously," said Senate President Chuck Morse. "Bob has my support and I am wishing him a very speedy recovery.”

Sen. Martha Fuller Clark, D-Portsmouth, recovered from COVID-19 in April. House Speaker Dick Hinch, R-Merrimack, died of COVID-19 this month, and at least several other House members recently tested positive.

In other coronavirus developments:

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TAX SPAT

A legal fight continues over the collection of income taxes from New Hampshire residents who are employed by Massachusetts companies but have been working from home during the pandemic.

New Hampshire asked the U.S. Supreme Court in October to block Massachusetts from collecting such taxes from roughly 80,000 people. On Wednesday, New Hampshire filed a brief responding to an earlier filing in which Massachusetts argued the court should not hear the case.

“Massachusetts’ current position is a far cry from our country’s rallying call of ‘no taxation without representation,’ – which they seem to have forgotten originated in their state,” said New Hampshire Gov. Chris Sununu. “We remain confident that the Supreme Court of the United States will take up this case of national importance and that the State of New Hampshire will prevail.”

Under a temporary rule enacted by the Massachusetts Department of Revenue, residents of other states who were working in Massachusetts before the pandemic remain subject to Massachusetts’ 5.05% income tax while they work from home.

While the regulation will expire Dec. 31 or 90 days after the coronavirus state of emergency in Massachusetts is lifted, New Hampshire officials argue it represents a permanent shift in underlying policy and amounts to an “aggressive attempt to impose Massachusetts income tax” beyond its borders.

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THE NUMBERS

More than 38,000 people have tested positive for the virus in New Hampshire, with 571 cases announced Wednesday that included results from several days previous days. More than 300 people are hospitalized, and the state announced 22 additional deaths, bringing the total to 677.

The seven-day rolling average of daily new cases in New Hampshire rose over the past two weeks from 693 on Dec. 8 to 780 on Tuesday.