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| A.C.L.U. Warns Against Fever-Screening Tools for Coronavirus | A.C.L.U. Warns Against Fever-Screening Tools for Coronavirus |
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| Airports, office buildings, warehouses and restaurant chains are rushing to install new safety measures like fever-scanning cameras and infrared temperature-sensing guns. But the American Civil Liberties Union warned on Tuesday against using the tools to screen people for possible coronavirus symptoms, saying the devices were often inaccurate, ineffective and intrusive. | Airports, office buildings, warehouses and restaurant chains are rushing to install new safety measures like fever-scanning cameras and infrared temperature-sensing guns. But the American Civil Liberties Union warned on Tuesday against using the tools to screen people for possible coronavirus symptoms, saying the devices were often inaccurate, ineffective and intrusive. |
| In a new report, “Temperature Screening and Civil Liberties During an Epidemic,” the A.C.L.U. said that such technologies could give people a false sense of security, potentially leading them to be less vigilant about health measures like wearing masks or social distancing. The group also cautioned that the push for widespread temperature scans during the pandemic could usher in permanent new forms of surveillance and social control. | In a new report, “Temperature Screening and Civil Liberties During an Epidemic,” the A.C.L.U. said that such technologies could give people a false sense of security, potentially leading them to be less vigilant about health measures like wearing masks or social distancing. The group also cautioned that the push for widespread temperature scans during the pandemic could usher in permanent new forms of surveillance and social control. |
| The organization’s advisory reflects a wider tension in the United States over concerns about reopening the economy at a time when the virus is still spreading undetected in various regions of country. | The organization’s advisory reflects a wider tension in the United States over concerns about reopening the economy at a time when the virus is still spreading undetected in various regions of country. |
| In particular, the report said that infrared temperature-sensing guns can be unreliable partly because they gauge skin temperature, in contrast to oral thermometers, which calculate core body temperature. The guns provide a superficial measure, the report noted, that can vary if a person is sunburned, is sweating or has just come in from outside. | In particular, the report said that infrared temperature-sensing guns can be unreliable partly because they gauge skin temperature, in contrast to oral thermometers, which calculate core body temperature. The guns provide a superficial measure, the report noted, that can vary if a person is sunburned, is sweating or has just come in from outside. |
| Similarly, the report said that many free-standing thermal cameras, which gauge a person’s temperature at a distance, can be inaccurate, finicky and may need to be frequently recalibrated. | Similarly, the report said that many free-standing thermal cameras, which gauge a person’s temperature at a distance, can be inaccurate, finicky and may need to be frequently recalibrated. |
| Even if the temperature-scanning tools were more accurate, however, the A.C.L.U. said they could miss many people who were infected with the coronavirus but not running a fever. | Even if the temperature-scanning tools were more accurate, however, the A.C.L.U. said they could miss many people who were infected with the coronavirus but not running a fever. |
| “Nobody should imagine that blanketing our public spaces with thermal sensors is going to serve as any kind of effective automated ‘Covid detection network,’” Jay Stanley, a senior policy analyst with the A.C.L.U., wrote in the report, “or that this technology is likely to contribute significantly to stemming the spread of the virus.” | “Nobody should imagine that blanketing our public spaces with thermal sensors is going to serve as any kind of effective automated ‘Covid detection network,’” Jay Stanley, a senior policy analyst with the A.C.L.U., wrote in the report, “or that this technology is likely to contribute significantly to stemming the spread of the virus.” |
| Recent studies have reported that as many as a quarter of people infected with the novel coronavirus, or perhaps even more, do not exhibit fever or other symptoms. Even so, guidelines on reopening the economy from the White House ask companies to monitor workers for symptoms like fevers. The idea is that such screening might at least reduce the risk of coronavirus outbreaks in the workplace. | Recent studies have reported that as many as a quarter of people infected with the novel coronavirus, or perhaps even more, do not exhibit fever or other symptoms. Even so, guidelines on reopening the economy from the White House ask companies to monitor workers for symptoms like fevers. The idea is that such screening might at least reduce the risk of coronavirus outbreaks in the workplace. |
| To meet surging demand from factories, warehouses and office buildings, technology makers haven been rushing to market a range of thermal cameras as coronavirus fever-screening tools. Companies have been encouraged to do so by the Food and Drug Administration. The agency said in April that it would temporarily allow device makers to market thermal cameras, which have not been vetted by federal health regulators, for temperature checks in places like warehouses and factories. | To meet surging demand from factories, warehouses and office buildings, technology makers haven been rushing to market a range of thermal cameras as coronavirus fever-screening tools. Companies have been encouraged to do so by the Food and Drug Administration. The agency said in April that it would temporarily allow device makers to market thermal cameras, which have not been vetted by federal health regulators, for temperature checks in places like warehouses and factories. |
| But IPVM, an independent site that tests surveillance cameras, reported this year that numerous makers of temperature scanners had overstated their accuracy or made false claims. Among other things, the site identified systems that automatically adjusted people’s temperatures to put them in the normal range or that failed to detect high fevers. The site also found companies that were marketing heat-sensing tools designed simply to detect the presence of humans, or for fire detection, as fever-screening devices. | But IPVM, an independent site that tests surveillance cameras, reported this year that numerous makers of temperature scanners had overstated their accuracy or made false claims. Among other things, the site identified systems that automatically adjusted people’s temperatures to put them in the normal range or that failed to detect high fevers. The site also found companies that were marketing heat-sensing tools designed simply to detect the presence of humans, or for fire detection, as fever-screening devices. |
| “A core issue is there are no independent tests of thermal camera performance,” IPVM said in a recent overview of the technology. “This has allowed manufacturers to tout products meant for body/fire detection as a fever solution, or falsely claim pinpoint accuracy at long distances.” | “A core issue is there are no independent tests of thermal camera performance,” IPVM said in a recent overview of the technology. “This has allowed manufacturers to tout products meant for body/fire detection as a fever solution, or falsely claim pinpoint accuracy at long distances.” |
| Updated June 5, 2020 | Updated June 5, 2020 |
| So far, the evidence seems to show it does. A widely cited paper published in April suggests that people are most infectious about two days before the onset of coronavirus symptoms and estimated that 44 percent of new infections were a result of transmission from people who were not yet showing symptoms. Recently, a top expert at the World Health Organization stated that transmission of the coronavirus by people who did not have symptoms was “very rare,” but she later walked back that statement. | |
| A study by European scientists is the first to document a strong statistical link between genetic variations and Covid-19, the illness caused by the coronavirus. Having Type A blood was linked to a 50 percent increase in the likelihood that a patient would need to get oxygen or to go on a ventilator, according to the new study. | A study by European scientists is the first to document a strong statistical link between genetic variations and Covid-19, the illness caused by the coronavirus. Having Type A blood was linked to a 50 percent increase in the likelihood that a patient would need to get oxygen or to go on a ventilator, according to the new study. |
| The unemployment rate fell to 13.3 percent in May, the Labor Department said on June 5, an unexpected improvement in the nation’s job market as hiring rebounded faster than economists expected. Economists had forecast the unemployment rate to increase to as much as 20 percent, after it hit 14.7 percent in April, which was the highest since the government began keeping official statistics after World War II. But the unemployment rate dipped instead, with employers adding 2.5 million jobs, after more than 20 million jobs were lost in April. | The unemployment rate fell to 13.3 percent in May, the Labor Department said on June 5, an unexpected improvement in the nation’s job market as hiring rebounded faster than economists expected. Economists had forecast the unemployment rate to increase to as much as 20 percent, after it hit 14.7 percent in April, which was the highest since the government began keeping official statistics after World War II. But the unemployment rate dipped instead, with employers adding 2.5 million jobs, after more than 20 million jobs were lost in April. |
| Mass protests against police brutality that have brought thousands of people onto the streets in cities across America are raising the specter of new coronavirus outbreaks, prompting political leaders, physicians and public health experts to warn that the crowds could cause a surge in cases. While many political leaders affirmed the right of protesters to express themselves, they urged the demonstrators to wear face masks and maintain social distancing, both to protect themselves and to prevent further community spread of the virus. Some infectious disease experts were reassured by the fact that the protests were held outdoors, saying the open air settings could mitigate the risk of transmission. | Mass protests against police brutality that have brought thousands of people onto the streets in cities across America are raising the specter of new coronavirus outbreaks, prompting political leaders, physicians and public health experts to warn that the crowds could cause a surge in cases. While many political leaders affirmed the right of protesters to express themselves, they urged the demonstrators to wear face masks and maintain social distancing, both to protect themselves and to prevent further community spread of the virus. Some infectious disease experts were reassured by the fact that the protests were held outdoors, saying the open air settings could mitigate the risk of transmission. |
| Exercise researchers and physicians have some blunt advice for those of us aiming to return to regular exercise now: Start slowly and then rev up your workouts, also slowly. American adults tended to be about 12 percent less active after the stay-at-home mandates began in March than they were in January. But there are steps you can take to ease your way back into regular exercise safely. First, “start at no more than 50 percent of the exercise you were doing before Covid,” says Dr. Monica Rho, the chief of musculoskeletal medicine at the Shirley Ryan AbilityLab in Chicago. Thread in some preparatory squats, too, she advises. “When you haven’t been exercising, you lose muscle mass.” Expect some muscle twinges after these preliminary, post-lockdown sessions, especially a day or two later. But sudden or increasing pain during exercise is a clarion call to stop and return home. | Exercise researchers and physicians have some blunt advice for those of us aiming to return to regular exercise now: Start slowly and then rev up your workouts, also slowly. American adults tended to be about 12 percent less active after the stay-at-home mandates began in March than they were in January. But there are steps you can take to ease your way back into regular exercise safely. First, “start at no more than 50 percent of the exercise you were doing before Covid,” says Dr. Monica Rho, the chief of musculoskeletal medicine at the Shirley Ryan AbilityLab in Chicago. Thread in some preparatory squats, too, she advises. “When you haven’t been exercising, you lose muscle mass.” Expect some muscle twinges after these preliminary, post-lockdown sessions, especially a day or two later. But sudden or increasing pain during exercise is a clarion call to stop and return home. |
| States are reopening bit by bit. This means that more public spaces are available for use and more and more businesses are being allowed to open again. The federal government is largely leaving the decision up to states, and some state leaders are leaving the decision up to local authorities. Even if you aren’t being told to stay at home, it’s still a good idea to limit trips outside and your interaction with other people. | States are reopening bit by bit. This means that more public spaces are available for use and more and more businesses are being allowed to open again. The federal government is largely leaving the decision up to states, and some state leaders are leaving the decision up to local authorities. Even if you aren’t being told to stay at home, it’s still a good idea to limit trips outside and your interaction with other people. |
| Touching contaminated objects and then infecting ourselves with the germs is not typically how the virus spreads. But it can happen. A number of studies of flu, rhinovirus, coronavirus and other microbes have shown that respiratory illnesses, including the new coronavirus, can spread by touching contaminated surfaces, particularly in places like day care centers, offices and hospitals. But a long chain of events has to happen for the disease to spread that way. The best way to protect yourself from coronavirus — whether it’s surface transmission or close human contact — is still social distancing, washing your hands, not touching your face and wearing masks. | Touching contaminated objects and then infecting ourselves with the germs is not typically how the virus spreads. But it can happen. A number of studies of flu, rhinovirus, coronavirus and other microbes have shown that respiratory illnesses, including the new coronavirus, can spread by touching contaminated surfaces, particularly in places like day care centers, offices and hospitals. But a long chain of events has to happen for the disease to spread that way. The best way to protect yourself from coronavirus — whether it’s surface transmission or close human contact — is still social distancing, washing your hands, not touching your face and wearing masks. |
| Common symptoms include fever, a dry cough, fatigue and difficulty breathing or shortness of breath. Some of these symptoms overlap with those of the flu, making detection difficult, but runny noses and stuffy sinuses are less common. The C.D.C. has also added chills, muscle pain, sore throat, headache and a new loss of the sense of taste or smell as symptoms to look out for. Most people fall ill five to seven days after exposure, but symptoms may appear in as few as two days or as many as 14 days. | Common symptoms include fever, a dry cough, fatigue and difficulty breathing or shortness of breath. Some of these symptoms overlap with those of the flu, making detection difficult, but runny noses and stuffy sinuses are less common. The C.D.C. has also added chills, muscle pain, sore throat, headache and a new loss of the sense of taste or smell as symptoms to look out for. Most people fall ill five to seven days after exposure, but symptoms may appear in as few as two days or as many as 14 days. |
| If air travel is unavoidable, there are some steps you can take to protect yourself. Most important: Wash your hands often, and stop touching your face. If possible, choose a window seat. A study from Emory University found that during flu season, the safest place to sit on a plane is by a window, as people sitting in window seats had less contact with potentially sick people. Disinfect hard surfaces. When you get to your seat and your hands are clean, use disinfecting wipes to clean the hard surfaces at your seat like the head and arm rest, the seatbelt buckle, the remote, screen, seat back pocket and the tray table. If the seat is hard and nonporous or leather or pleather, you can wipe that down, too. (Using wipes on upholstered seats could lead to a wet seat and spreading of germs rather than killing them.) | If air travel is unavoidable, there are some steps you can take to protect yourself. Most important: Wash your hands often, and stop touching your face. If possible, choose a window seat. A study from Emory University found that during flu season, the safest place to sit on a plane is by a window, as people sitting in window seats had less contact with potentially sick people. Disinfect hard surfaces. When you get to your seat and your hands are clean, use disinfecting wipes to clean the hard surfaces at your seat like the head and arm rest, the seatbelt buckle, the remote, screen, seat back pocket and the tray table. If the seat is hard and nonporous or leather or pleather, you can wipe that down, too. (Using wipes on upholstered seats could lead to a wet seat and spreading of germs rather than killing them.) |
| Taking one’s temperature to look for signs of fever is not as easy as it sounds, as “normal” temperature numbers can vary, but generally, keep an eye out for a temperature of 100.5 degrees Fahrenheit or higher. If you don’t have a thermometer (they can be pricey these days), there are other ways to figure out if you have a fever, or are at risk of Covid-19 complications. | Taking one’s temperature to look for signs of fever is not as easy as it sounds, as “normal” temperature numbers can vary, but generally, keep an eye out for a temperature of 100.5 degrees Fahrenheit or higher. If you don’t have a thermometer (they can be pricey these days), there are other ways to figure out if you have a fever, or are at risk of Covid-19 complications. |
| The C.D.C. has recommended that all Americans wear cloth masks if they go out in public. This is a shift in federal guidance reflecting new concerns that the coronavirus is being spread by infected people who have no symptoms. Until now, the C.D.C., like the W.H.O., has advised that ordinary people don’t need to wear masks unless they are sick and coughing. Part of the reason was to preserve medical-grade masks for health care workers who desperately need them at a time when they are in continuously short supply. Masks don’t replace hand washing and social distancing. | The C.D.C. has recommended that all Americans wear cloth masks if they go out in public. This is a shift in federal guidance reflecting new concerns that the coronavirus is being spread by infected people who have no symptoms. Until now, the C.D.C., like the W.H.O., has advised that ordinary people don’t need to wear masks unless they are sick and coughing. Part of the reason was to preserve medical-grade masks for health care workers who desperately need them at a time when they are in continuously short supply. Masks don’t replace hand washing and social distancing. |
| If you’ve been exposed to the coronavirus or think you have, and have a fever or symptoms like a cough or difficulty breathing, call a doctor. They should give you advice on whether you should be tested, how to get tested, and how to seek medical treatment without potentially infecting or exposing others. | If you’ve been exposed to the coronavirus or think you have, and have a fever or symptoms like a cough or difficulty breathing, call a doctor. They should give you advice on whether you should be tested, how to get tested, and how to seek medical treatment without potentially infecting or exposing others. |
| If you’re sick and you think you’ve been exposed to the new coronavirus, the C.D.C. recommends that you call your healthcare provider and explain your symptoms and fears. They will decide if you need to be tested. Keep in mind that there’s a chance — because of a lack of testing kits or because you’re asymptomatic, for instance — you won’t be able to get tested. | If you’re sick and you think you’ve been exposed to the new coronavirus, the C.D.C. recommends that you call your healthcare provider and explain your symptoms and fears. They will decide if you need to be tested. Keep in mind that there’s a chance — because of a lack of testing kits or because you’re asymptomatic, for instance — you won’t be able to get tested. |
| In its report, the A.C.L.U. recommended that public health experts study the effectiveness of temperature-scanning technologies “to determine if the trade-offs are worth it.” Otherwise, the group said, the fever-screening systems should not be deployed. | In its report, the A.C.L.U. recommended that public health experts study the effectiveness of temperature-scanning technologies “to determine if the trade-offs are worth it.” Otherwise, the group said, the fever-screening systems should not be deployed. |
| The Centers for Disease Control and Prevention offers a lower-tech solution: “Ask employees to take their own temperature either before coming to the workplace or upon arrival at the workplace.” | The Centers for Disease Control and Prevention offers a lower-tech solution: “Ask employees to take their own temperature either before coming to the workplace or upon arrival at the workplace.” |