As virus flares globally, new strategies target hot spots

FILE - In this Oct. 14, 2020, file photo, people walk past closed bars as new measures across the region are set to come into force in Liverpool, England. After entire nations were shut down during the first surge of the coronavirus earlier this year, some countries and U.S. states are trying more targeted measures as cases rise again around the world, especially in Europe and the Americas. (AP Photo/Frank Augstein, File)

FILE - In this Oct. 2, 2020, file photo, restaurant owners clang spoons and casseroles at a demonstration against restaurant and bar closures in Marseille, southern France. After entire nations were shut down during the first surge of the coronavirus earlier this year, some countries and U.S. states are trying more targeted measures as cases rise again around the world, especially in Europe and the Americas. Restaurant and bar owners in Marseille said the city was unfairly targeted last month for the nation's toughest virus rules at the time. (AP Photo/Daniel Cole, File)

FILE - In this Oct. 14, 2020, file photo, a woman wears a face mask in central Belfast as Northern Ireland introduced the tightest COVID-19 restrictions in the United Kingdom, closing schools for two weeks and pubs and restaurants for a month. After shutdowns swept nations during the virus's first surge earlier this year, some nations and U.S. states are trying more targeted measures as cases rise again around the world, especially in Europe and the Americas. (Brian Lawless/PA via AP)

FILE - In this Aug. 16, 2020, file photo, demonstrators attend a protest against nationwide restrictions against COVID-19 in Madrid, Spain. Banners read in Spanish "PCR tests give many false positives for COVID-19. Inform yourself." After shutdowns swept nations during the virus's first surge earlier this year, some nations and U.S. states are trying more targeted measures as cases rise again around the world, especially in Europe and the Americas. (AP Photo/Andrea Comas, File)

Pedestrians in masks pass a storefront on Thursday, Oct. 15, 2020, as restrictions are imposed on the area due to an increase in COVID-19 infections in the Far Rockaway neighborhood of the borough of Queens in New York. After shutdowns swept entire nations during the first surge of the coronavirus earlier this year, some countries and U.S. states are trying more targeted measures as cases rise again around the world. (AP Photo/John Minchillo)

A pedestrian in a mask passes shuttered storefronts on Thursday, Oct. 15, 2020, as restrictions are imposed on the area due to an increase in COVID-19 infections in the Far Rockaway neighborhood of the borough of Queens in New York. After shutdowns swept entire nations during the first surge of the coronavirus earlier this year, some countries and U.S. states are trying more targeted measures as cases rise again around the world. (AP Photo/John Minchillo)

Pedestrians pass shuttered storefronts on Thursday, Oct. 15, 2020, as restrictions are imposed due to a COVID-19 infection rate increase in the Far Rockaway neighborhood of the borough of Queens in New York. After shutdowns swept entire nations during the first surge of the coronavirus earlier this year, some countries and U.S. states are trying more targeted measures as cases rise again around the world. (AP Photo/John Minchillo)

A pedestrian smokes outside a shuttered storefront on Thursday, Oct. 15, 2020, as restrictions are imposed due to a COVID-19 infection increase in the Far Rockaway neighborhood of the borough of Queens in New York. After shutdowns swept entire nations during the first surge of the coronavirus earlier this year, some countries and U.S. states are trying more targeted measures as cases rise again around the world. (AP Photo/John Minchillo)

A storefront displays a closed sign as it remains shuttered due to a COVID-19 area infection rate increase, Thursday, Oct. 15, 2020, in the Far Rockaway neighborhood of the borough of Queens in New York. After shutdowns swept entire nations during the first surge of the coronavirus earlier this year, some countries and U.S. states are trying more targeted measures as cases rise again around the world. New York’s new round of shutdowns zeroes in on individual neighborhoods, closing schools and businesses in hot spots measuring just a few square miles. (AP Photo/John Minchillo)

Pedestrians pass shuttered storefronts on Thursday, Oct. 15, 2020, as restrictions are imposed due to a COVID-19 infection increase in the Far Rockaway neighborhood of the borough of Queens in New York. After shutdowns swept entire nations during the first surge of the coronavirus earlier this year, some countries and U.S. states are trying more targeted measures as cases rise again around the world. (AP Photo/John Minchillo)

Pedestrians in protective masks pass a storefront on Thursday, Oct. 15, 2020, as restrictions on operations are imposed due to an increase in COVID-19 infections in the Far Rockaway neighborhood of the borough of Queens in New York. After shutdowns swept entire nations during the first surge of the coronavirus earlier this year, some countries and U.S. states are trying more targeted measures as cases rise again around the world. New York’s new round of shutdowns zeroes in on individual neighborhoods, closing schools and businesses in hot spots measuring just a few square miles. (AP Photo/John Minchillo)

FILE - In this Oct. 15, 2020, file photo, protesters gather on the sidewalk outside the offices of New York Gov. Andrew Cuomo in New York. After shutdowns swept entire nations during the first surge of the coronavirus earlier this year, some countries and U.S. states are trying more targeted measures as cases rise again around the world. In New York City's borough of Brooklyn, Orthodox Jews have complained their communities are being singled out for criticism. (AP Photo/Kathy Willens)

Pedestrians in masks pass a store on Thursday, Oct. 15, 2020, as government restrictions on business activity limit operations due to an increase of COVID-19 cases, in the Far Rockaway neighborhood of the borough of Queens in New York. After shutdowns swept entire nations during the first surge of the coronavirus earlier this year, some countries and U.S. states are trying more targeted measures as cases rise again around the world. (AP Photo/John Minchillo)

FILE - In this Oct. 13, 2020, file photo, a waiter and a waitress in masks wait for clients in Rome. After shutdowns swept nations during the first surge of the coronavirus earlier this year, some nations and U.S. states are trying more targeted measures as cases rise again around the world, especially in Europe and the Americas. (AP Photo/Andrew Medichini, File)