WhatsApp announced Tuesday it will limit users's ability to forward messages in an attempt to curb the spread of coronavirus misinformation.

Last year, the Facebook-owned service marked messages that had been forwarded several times with two arrows, denoting that they were less personal compared to others.

On Tuesday, it introduced a new limit on such messages, making it so they can only be forwarded to one chat at a time.

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"Is all forwarding bad? Certainly not," WhatsApp said in a blog post.

"However, we’ve seen a significant increase in the amount of forwarding which users have told us can feel overwhelming and can contribute to the spread of misinformation. We believe it’s important to slow the spread of these messages down to keep WhatsApp a place for personal conversation," the company wrote.

WhatsApp also announced Tuesday that it is working with the World Health Organization and national governments to boost the visibility of vetted information about COVID-19, the disease caused by the novel coronavirus.

The policy change comes after a group of Democratic senators sent a letter to Facebook about misinformation on WhatsApp.

"With over 2 billion users worldwide and widespread use of the app in the United States – particularly among the immigrant community – it is imperative that Facebook act to stop the spread of factually-inaccurate and outright dangerous information about the coronavirus via WhatsApp," Sens. Mazie Hirono Mazie Keiko HironoDemocrats unveil plan declaring racism a public health issue Overnight Defense: US, Russia trade blame over Syria incident | Pentagon calls out China's 'counterproductive' military exercises, missile test | Democrats press Esper on COVID-19 response Democrats press Esper on 'concerning' rise in Pentagon's COVID-19 cases MORE (D-Hawaii), Kamala Harris Kamala HarrisScott Walker helping to prep Pence for debate against Harris: report California family frustrated that governor, Harris used fire-damaged property for 'photo opportunity' Moderna releases coronavirus vaccine trial plan as enrollment pushes toward 30,000 MORE (D-Calif.), Dick Durbin Richard (Dick) Joseph DurbinMcConnell focuses on confirming judicial nominees with COVID-19 talks stalled Senate Republicans signal openness to working with Biden Top GOP senator calls for Biden to release list of possible Supreme Court picks MORE (D-Ill.) and Bob Menendez Robert (Bob) MenendezKasie Hunt to host lead-in show for MSNBC's 'Morning Joe' Senators ask for removal of tariffs on EU food, wine, spirits: report VOA visa decision could hobble Venezuela coverage MORE (D-N.J.) wrote to Mark Zuckerberg Mark Elliot ZuckerbergThe Hill's Morning Report - Sponsored by The Air Line Pilots Association - Trump contradicts CDC director on vaccine, masks Hillicon Valley: DOJ indicts Chinese, Malaysian hackers accused of targeting over 100 organizations | GOP senators raise concerns over Oracle-TikTok deal | QAnon awareness jumps in new poll FTC eyes antitrust suit against Facebook: report MORE.

The senators cited reports of misinformation spreading on the messaging service including an advisory claiming to be from the United Nation's Children Fund telling people to avoid cold foods and a claim that anti-malaria drug chloroquine phosphate has been approved to combat COVID-19.