Flu Cases Are Climbing as a New Variant Takes Hold
Flu cases are rising steadily as a new influenza variant begins to dominate this season. Health experts are closely tracking influenza A H3N2 subclade K, a mutated strain that is…
Flu cases are rising steadily as a new influenza variant begins to dominate this season. Health experts are closely tracking influenza A H3N2 subclade K, a mutated strain that is…