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HARRISBURG, Pa. (AP) — President Donald Trump and rival Joe Biden have spent Labor Day diminishing each other's credentials on the economy and understanding of the American worker. Watch Trump's presser below:Labor Day typically marks the unofficial start to the fall campaign season as candidates accelerate their activity for the final sprint to Election Day. Biden was meeting with labor leaders and union workers in Pennsylvania while his running mate, Sen. Kamala Harris, campaigned in Wisconsin. Both are key swing states. WATCH Harris' roundtable below:Republican Vice President Mike Pence was in Wisconsin, too, while Trump held a White House press conference.This will mark Harris’ first trip to the state since accepting the party’s vice-presidential nomination. The New York Times reports that the senator will visit union workers and leaders as well as Black business people and pastors in Milwaukee. Labor Day typically marks the unofficial start to the fall campaign as candidates accelerate their activity for the final sprint.But Monday’s events are playing out this year against the backdrop of a pandemic that has upended campaigning, forcing much of the traditional activity online. 1209

Health officials agree coronavirus cases are going to increase this winter as Americans head indoors to stay warm and closed windows will lead to less ventilation.But what about the dry air inside and outside this time of year, could a humidifier help slow the spread of coronavirus? That is still being debated.A study released this month seems to suggest increasing humidity plays a role in decreasing cases of coronavirus. The study, which has not been peer-reviewed yet, was shared on medRxiv.This study was based on the premise that previous studies have shown that falling humidity is tied to increased transmission rates of other respiratory diseases, like the flu. Researchers looked at more than 3,000 counties around the country and their humidity levels between March and September 2020.The team says they found increasing humidity levels had a negative impact on new cases of COVID-19 in most regions. In two of the regions that showed the highest effect, a 1 g/m3 increase in absolute humidity resulted in a 0.21 and 0.15 decrease in COVID-19 cases.However, there are also studies that show the humidity level had little to no effect on the spread of COVID-19.A study released in early November found the weather had “virtually no impact” on the spread. Instead, they said human behavior changes during weather fluctuations, outside during warmer weather and heading indoor during cold weather, had a large impact.What health and science experts seem to agree on is that the air does get drier in the winter from both the cold air outside and heated air inside. And that without proper ventilation, any coronavirus droplets in a space could linger longer and become more concentrated.This dry air can also cause nasal passages to dry out, which means noses could have less protective mucus. Some doctors have said whether or not the science completely proves humid air can help slow the spread of coronavirus, having more humidity in the air can make this winter more comfortable and noses more able to protect against all virus. 2051

HAWAII (KGTV) -- The United States Geological Survey is reporting that an earthquake with a preliminary magnitude of 5.0 struck Hawaii Thursday afternoon.According to the USGS, the quake happened about 1:30 p.m., 11 miles south of Fern Acres on the Big Island.The earthquake was just one of hundreds of earthquakes that have swarmed the island, prompting concerns that Kilauea Volcano could erupt.The Hawaiian Volcano Observatory indicated that a volcanic eruption was possible but not imminent. Kilauea is one of the world’s most active volcanoes.The series of earthquakes came after a collapse of a crater floor of Pu?u ?ō?ō, which is a volcanic cone in the eastern rift zone of the Kīlauea Volcano.Since that collapse, about 250 earthquakes were reported in the area into Tuesday evening, according to Hawaiian Volcano Observatory status report.Check out the map below to see the area near where the earthquake hit: 931

Georgia has re-certified the results of the presidential election in the state, hours after state Sec. of State Brad Raffensperger confirmed that a machine recount requested by the Trump campaign upheld president-elect Joe Biden's win in the state.Raffensperger also criticized those who continue to doubt the results of the 2020 presidential election in the state, saying that the push to overturn the results was "hurting the state."Georgia has counted ballots in the presidential election three times — the initial count, a full election audit and hand recount, which was done at Raffensperger's request, and a machine recount which was held a the request of the Trump campaign. All three counts have shown Biden won the state.Raffensperger says he's been personally pressured by fellow Republicans to personally intervene and overturn the results of the election. At a Saturday political rally, Trump criticized Raffensperger publicly.There is no evidence of widespread voter fraud in the state. Last week, Attorney General Bill Barr said the Justice Department had not yet found evidence of fraud that would change the outcome of the 2020 presidential election. 1174

HARTFORD, Conn. (AP) -- A Connecticut city is offering free roadside assistance to bicyclists when they suffer a flat tire or other minor mechanical problems.The program in Hartford is run by the city's business improvement district and is touted as the first of its kind in the nation. It is designed to encourage bicycle commuting.Six district employees have been trained to fix flats, repair broken chains, adjust brakes and do other minor bicycle repairs. They patrol the streets on bikes and have responded to more than 40 calls from stranded bicyclists since launching the initiative in May.The city's bicycle and pedestrian coordinator says Hartford also recently adopted a "complete streets" initiative, which will require all new road improvement projects to include bicycle lanes. 798