Doctors are warning people to stay vigilant as a seasonal flu virus that can lead to pneumonia and bronchitis spreads in California wastewater and around the country.
High levels of human metapneumovirus – also known as HMPV – have been detected across dozens of Northern California cities, according to the public database WastewaterScan Dashboard.
The highest levels are reported in Redwood City, according to the dashboard. Elevated levels have also been found in the San Francisco Bay Area and Napa’s Wine Country…